Hd6xx frequency response. Putting the .


  1. Hd6xx frequency response. 2020 version Sample 2 (w/ fresh pads) Pre-2020 version Sample 2 (w/ worn-ish pads) Pre-2020 version Sample 1 (w/ worn… Sep 24, 2024 · Experience unparalleled sound quality with Sennheiser's HD6XX open-back professional headphones. First off the higher impendance and lower sensitivity of the 6XX/650 means that amp circuit has to work harder to drive it. On the other hand, the Sennheiser HD600 does have a minor frequency response of 39000 Hz. Their bass and treble delivery is much more consistent than the Sennheiser HD 598's and doesn't vary too much depending on the headphones' fit, seal, and positioning. Removing the peak at 5 kHz smooths out the response for long-term listening enjoyment with no listening fatigue. Jun 12, 2020 · Both the LCD-2 Fazor and the HD 6XX have a tonality that is enviable by many of the high-end headphones, and this is a product of their similar frequency response (using Solderdude's measurements), but the LCD-2 has some perks that make it a better headphone. 35mm, 4. HD650 as a comparison, did better past that: Both are bass shy and will need equalization. Both feature a slightly tilted bass response and flat mids. Feb 1, 2020 · For reference, here’s the HD6XX’s power requirements for various SPLs assuming 300 ohms impedance, but note this can as much as double with heavy bass content due to the non-linear impedance/frequency response: Frequency response (tonal balance) is the most sound-determining aspect of headphones. Replace your lost,damaged headphone cable, offering strong elasticity and better extension of highly frequency for improved sound domain. Putting the After spending over a year with the 6XX I think I can finally say that these are an overrated and over-recommended headphone. HD650 InnerFidelity Charts, yes it's for HD650's, but that pretty much what these are), there are only some minor differences in resolution and a slight jump in impulse response. However, the HD 600 are more stable. Sep 29, 2020 · In terms of frequency response, the HD 600S and HD 660S has a wider range compared to the HD 650. The quirks of the loki mini plus: The loki mini plus is a physical eq device. Massdrop HD 6XX Copyright © SOURCE INTERLINK MEDIA All rights reserved. But some people have different preferences, and prefer either a more neutral response curve, or perhaps a bit more bass. That said, there's a peak in the low-treble that can help nudge higher-pitched vocals to the front of the mix. Dec 6, 2024 · The Sennheiser HD 660S is a great open-back headset but if you have to choose between the two, we recommend the HD 6XX instead. They have somewhat inconsistent treble performance, with peaks and dips that can render sibilants both dull and piercing, and their frequency response consistency Aug 30, 2021 · The Sennheiser HD599 have excellent frequency response consistency. Mar 8, 2023 · The Sennheiser HD 660S2 have good frequency response consistency. With regard to 'power' - your phones play loud enough, don't they? Aug 25, 2021 · First off I want to say that I obtained the frequency response from drop's website. The bass on the HD650 and HD600 distort so much that I usually just set the bass to be linear to the low mids rather than the +4dB of the Harman Target. From 3k onwards, the HD6XX carries a dark, downward slant slowly rolling off of the chart. However, the HD 6XX have a more consistent audio delivery, most likely due to their higher clamping force. You might be better off with a Sundara and a cheap dongle for Oct 27, 2015 · Frequency response shows the HD650 has about 1-2dB more lower-mids and bass, starting around 200Hz. Note the frequency response of the HD6XX and the HD650 are virtually identical. 5 KHz Removable Cable: Y Source Jack: 6. 2 oz (260 g) Made in Romania Included in the box. Oct 25, 2020 · Frequency Response & Tonality The following shows the Sennheiser HD560S frequency response as measured on the GRAS 43AG standardized measurement rig relative to the combined Harman target curve (Harman 2013 bass but Harman 2018 mids and treble). Massdrop x Sennheiser. Mar 13, 2022 · Sensitivity (dB): 110 dB Frequency Response (Hz): 6 Hz – 38 KHz Removable Cable: Y Source Jack: 6. Feb 13, 2016 · Sennheiser HD600 Measurements Let's start with our usual frequency response measurements: This is basically the same as HD650 given the vagaries of headphone measurements, fit, pad wear, etc. Sep 23, 2025 · The Sennheiser HD 600 and the Sennheiser HD 6XX are open-back headphones with similar overall performances, and they're both great for audiophiles. The frequency response is not as broad as the HD6XX which will limit the range of transmittable sound frequencies, although the numbers are off ever so slightly so an untrained ear probably wouldn't notice the difference. As great as the HD6XX is for the price, it’s not in the same league as the Atrium in terms of resolution. However, the HD 660S2 come with a dustbag to The special frequency response of the Elex, with its little emphasis around 10kHz, calls for an interesting discussion. 5mm Weight (g): 240g Packaging It’s a plain cardboard box and nothing much to write home about. In other words, these measurements represent the amount of energy (volume) each part of the full frequency range has. Nov 6, 2023 · Impedance (Ohm): 300 ohm Sensitivity (dB): 104 dB Frequency Response (Hz): 8 Hz – 41. In the box Sennheiser HD 560S headphones 3m 6. : Distortion is higher but this could just be wear and tear: Here is Group Delay which again is similar to the HD650: Nov 3, 2016 · Here are frequency response and THD measurements we made of both the Sennheiser x Massdrop HD6XX and the Sennheiser HD650: NOTE: The measurements above reflect diffuse field correction. 8 m) Connector: ⅛ in (3. While they don’t sound drastically different, they use distinct drivers and tuning, which results in measurable differences in frequency response. Overall, their sound follows our Harman-based target curve so vocals and instruments are reproduced accurately, but they do lack a little thump and punch in the bass region. Unfortunately distortion as with HD650 is rather high in bass: Frequency response / tonality Fig. Nov 11, 2021 · Frequency response graph measurement of the Sennheiser HD650 and used pads captured by a miniDSP EARS device. Dec 9, 2020 · The frequency response generally follows the flat sound profile in the bass and mid-range, with very few deviations. Feb 22, 2017 · Massdrop HD6XX Technical Specifications Color: Midnight blue Transducer principle: Open, dynamic Frequency response: 10 Hz – 41 kHz THD: < 0. SENNHEISER HD6XX - Complete Ultimate Sound Test Quality of Headphones. A horizontal line shows audible neutral response in the plots on this website. It offers a massive frequency response of a claimed 10Hz-41khz, being only imaginable for headphones significantly below $500, resulting in some of the best sound dynamic drivers can bring to the table at this price. 35 mm stereo 50 and below ohms and 100db+ sensitivity is easier to drive for anything with a commercial headphone output. I feel like because HD 550’s frequency response is so darn close to perfect for me, the one real flaw it has can stick out like a sore thumb at times. How does Sennheiser's new reference grade headphone stack up to the competition? Feb 27, 2025 · MEASUREMENTS Frequency Response Average (unsmoothed): The response is obtained by an average of 5-6 positional variations. Comment: Very good overall tonal balance. Apr 21, 2023 · HD6xx frequency response And here is an attempt to measure the frequency response of the HD6xx; without the baffle/seal the response has a lot more peaks and dips, and it is very difficult to get something reproducible. Aune-AR5000-Headphone-Driver1280×638 97. With the baffle there still remains a dependence of the relative response above two kHz on the exact distance of the microphone capsule from the headphone membrane. Mids are life-like and effortlessly smooth. While both headphones have a similar design, especially in comfort and build quality, the HD 6XX have a clearer treble sound profile, which some users may prefer, and their frequency response consistency is better. Jun 10, 2019 · The HD 6XX’s ability for detail includes all the instrumental textures and timbres an audiophile longs for. The measurements were made using professional-grade equipment and are the average of several units. Oct 25, 2021 · The Massdrop x Sennheiser HD 6XX is a success story unlike any other from Drop, having sold in excess of 135,000 units in 4+ years. You’d be hard-pressed to find two headphones more similar in their measured response. They are extremely flat but excel in the midrange especially with tonality. Sep 19, 2024 · Sennheiser HD 620S impedance vs frequency curve (tan) and its effect on frequency response from amps with output impedances of 6 Ohms (orange), 19 Ohms (green), 27 Ohms (blue) & 54 Ohms (purple). All the parts are of good quality, but if you use the headphone for a long time, you might need to change or replace many parts. We find out if there is still room for the HD 6XX and, by extension, the Sennheiser HD 650 in 2021, both as a reference set of headphones and purely for music and general purpose listening. These headphones sound more or less alike between listening sessions, and while there are minor variations for different people in how they sound, it's overall quite consistent. 4mm balanced Cup/Shell Jack: Sennheiser 2-pin connector Weight (g): 240g Where to Buy Official Store Amazon Conclusion Sennheiser has made a practically perfect pair of studio monitors with the HD 660S2. They have a wide frequency response, ranging from 10 Hz to 39,500 Hz which ensures that there is no compression compromise when handling high-resolution, high sample rate audio files. Sep 20, 2020 · This article is based on the comparison between Sennheiser HD58X vs HD6XX. we've compare these based on their features. Compare hundreds of frequency response graphs between headphones from manufacturers like Beyerdynamic, Hifiman, Sennheiser, and more. May 12, 2021 · Steve356 S V My Sennheiser HD600 L/R discrepancies in frequency response vertumno Oct 14, 2024 Headphone & IEM Reviews & Discussions Replies 2 Views 827 Oct 14, 2024 Jul 13, 2021 · Check out music engineer Jake Cheriff's Sennheiser HD 560S Review. Their L/R drivers match much better too. ) The 660S2 build on that sound with an extra drop of amber in the sound, for even more saturated coloring that’s most pronounced in Aug 5, 2024 · The Sennheiser HD 58X Jubilee and the Beyerdynamic DT 990 PRO are two very good audiophile open-back headphones with similar frequency responses. Jul 4, 2022 · So that is the main purpose of this review. The HD6XX’s bass, for example, is much muddier than the Atrium’s clean and controlled bass. Nov 23, 2016 · Color: Midnight blue Transducer principle: Open-back, dynamic driver Frequency response: 10 Hz – 41 kHz THD: < 0. Feb 14, 2023 · Sennheiser HD 660S2 Review: Key Features/Specs New warmer sound, deeper sub-bass reproduction 38mm (diaphragm; 42mm overall) dynamic transducers 300 Ω impedance and new ultra-light voice coil Open-back design for detailed imaging and a spacious stereo field Retuned transducer surround (70 Hz) for the ideal balance of impact and clarity Ultra-fine steel acoustic mesh baffle and ventilated Feb 13, 2016 · HD58X Jubilee Measurements As usual we start with the headphone frequency response as comparison to our preference curve: Track is close to our target up to 2 kHz. Both feature accurate, detailed mid-range reproduction though. They feature very similar sound profiles that lack low-bass delivery with a somewhat recessed treble range. In fairness, these are a pretty hard comparison to make between the two because, even looking at raw data (HD600 InnerFidelity Charts vs. Dec 23, 2019 · With our solid Sheepskin, overall we see a similar frequency response curve shape as stock, except the bass response is stronger relative to the rest of the frequencies than before. Third, the low impedance of the HD598 with the high output impedance (30ohms I think) of the SBZ is likely exacerbating that bass Sep 7, 2022 · That said, this is a perfect illustration of why characterizing a headphone based only on its frequency response is flawed. 35mm to 3. . Jun 6, 2025 · Our frequency response chart shown above gives an accurate representation of the real-life response of these headphones when placed on our acoustically representative test head with realistic ear simulators. Although perfection would be a design with the bass response of the 560S and the response of the 600 throughout the rest of the spectrum. Second, the frequency response is a little bit flatter than the upper bass bump on the HD598. Jul 20, 2022 · The HD 650 from Sennheiser are reference-class stereo headphones designed to deliver a true audiophile experience with an open, natural sound. Aug 30, 2020 · The bigger emphasis on the HD 650’s midbass lends its bass response a considerable but tasteful amount of warmth that adds an enjoyable fullness to it without ever feeling overbearing or intrusive of other frequency ranges. Fiio were kind enough to send DMS and I each a unit for review, which we’ll be working on soon. Given Jun 27, 2024 · The Sennheiser HD 660 S are very good for neutral sound. Experience long lasting durability and a broad frequency response with this replacement cable to meet the highest standard for both male and female users. Frequency response: 10 Hz – 41 kHz. The distortion percentage of headphones is less than 0. See full list on homestudiobasics. Oct 8, 2019 · At the bottom end, it's much easier to hear more bass extension on the HD6XX/650 since that goes up a bit more and starts trailing off at a lower frequency; coupled with not having the 3500hz peak on older HD600/580J, the bass down to the deepest notes is more audible. 5mm adapter cable Feb 22, 2022 · The Massdrop x Sennheiser HD 6XX gives you a taste of the audiophile life at a reasonable price but there are a few caveats that prevent them from becoming the all-around best open-back headphones The frequency response is a lot flatter, which I liked because mids were still present but I also got enjoy crisp treble frequences. Comparison with HD650 stock / purchased earlier in Nov 23, 2016 · Overall, HD6XX’s bass is tight and has good speed, clarity and note weight. For ~$200 I don't regret buying these at all. And with the way technology is evolving, I think THIS should be Sennheiser's NEXT open-back headphones. Nov 4, 2022 · Based on the frequency response charts, the HD 600 seems to be the most neutral. Find many great new & used options and get the best deals for Headphone Cable for HD650 HD600 HD58X HD565 HD660S HD6XX Frequency Response at the best online prices at eBay! Free shipping for many products! Dec 20, 2015 · That could be from a number of factors together. Its tonal accuracy is excellent, but there are a few things to note. Feb 18, 2025 · So, what is the HD6XX? The HD6XX is a variant of the HD 650, with a few key changes. I'm glad I have them as a reference. Furthermore, the mid-treble is a little uneven, so sibilants like S and T sounds can be alternately dull or piercing. Incredible driver matching, even for their mid-range headphones. With an addendum by Biodegraded. With that out of the way let’s pull up the graph: Drop X Sennheiser HD 6XX frequency response measurement (raw) Tonality: Exemplary vocal reproduction and overall balance. 5mm to ¼” adapter Manuals and warranty card Our all-time best selling open-back audiophile headphones, the Massdrop x Sennheiser HD 6XX is a replacement to the original HD 650 with a refreshed aesthetic & improved utility. Midrange Reproduction of the mids is where the HD600 built its reputation, and the HD650 builds on this foundation, with a similar, if perhaps slightly less incisive midrange presentation than its sibling. 05%, which is really impressive. Let me be completely clear because I don't want to overstate my case or be hyperbolic. 5k, that–like on the HD 58X–made the HD 660S’ timbre sound a little bit more congested than on the HD 6XX and HD 600. THD: < 0. Don’t get us wrong: the HD 660S sounds great, but the HD 6XX will sound better to some. Yes, the HD650 digs a bit deeper because of this, but, no, not everyone will like this, because the bump starts in the lower-mids. 35mm Cup/Shell Jack: 3. Jul 1, 2020 · For frequency response I only had two minor issues with the HD 660S’s treble. Amazon. com Perceptively it is not there, and the HD6XX sounds about as flat and flabby in terms of dynamics as it does frequency response. Also, with the headphones using planar, it allowed me to have a lot more potential to EQ up the sub bass to a decent level. Transducer principle: Open, dynamic. The main issue lies in the unevenness between 7kHz and 9kHz, where you might hear some minor peaks. If you guys don't think this makes a difference, it does. Deviations in different severity at different frequency bands have an effect on the sound character. Nov 27, 2024 · This is the place to discuss all things to do with the Fiio FT-1 Pro, which is a $200 open back planar magnetic headphone. Color: Midnight blue. Apr 7, 2023 · Frequency response (tonal balance) is the most sound-determining aspect of headphones. 05% Nominal impedance: 300 ohm Cable length: 6 ft (1. The HD 600 is a tad brighter thanks to a little extra output Mar 19, 2025 · Unfortunately though, the grittiness from the lower treble boost still persists, defining the overall timbre of the headphone a bit more than I’d like. The HD58X is a bit more ‘dynamic’ and ‘fresher’ and thus do not sound the same but do have some similarities. Nov 8, 2016 · The HD 6XX displayed nearly identical performance to the HD 650 in terms of frequency response and total harmonic distortion. For reference, the Harman 2018 bass is noticeably elevated - too much for what I think most audiophiles would consider appropriate, even if some bass May 28, 2018 · Massdrop x Sennheiser HD 6XX Headphones Full Specifications Midnight blue color Dynamic transducer Open back Frequency response: 10 Hz – 41 kHz THD: < 0. The HD 599 skimps on the highest highs and the lowest lows at the extremes of your hearing range. Apr 2, 2024 · The Sennheiser HD 6XX are a revision of the Sennheiser HD 650 that are only available through the Drop website. Apr 7, 2021 · Review of Drop x Sennheiser HD6XX open-back dynamic driver headphone. 8 m) Connector: ⅛ in (0. Apr 2, 2024 · There's not much to split the Sennheiser HD 650 and the Sennheiser HD 600. 5mm cable (6Ft) 3. However, the HD 660S2 come with a dustbag to Aug 15, 2020 · For the Zen CAN Signature edition the main highlight is the 'HD 6XX' button, which is meant to improve its frequency response. May 16, 2022 · Warm-leaning midrange leading up from a mostly flat bass response. Whilst both the HD 600 and HD 650 provide an impedance of 300 Ohms, the HD 660S offers a lower impedance of 150 Ohms. 2 oz (260 g) Made in Ireland Sharing is caring! Feb 13, 2016 · Please keep doing this graph for every headphone review. Great for anyone who felt the HD 650 was a little flat, and could use a touch of excitement (and leather)! Aug 22, 2025 · The Sennheiser HD 6XX are slightly better audiophile headphones than the Sennheiser HD 660S2. The FR shown on the graph is unsmoothed. 00:00 INTRO01:12 TEST FREQUENCY RES Apr 17, 2023 · (The claimed total frequency response is 10 Hz to 41. Aug 23, 2019 · Sound By the numbers, the HD 6XX tout a massive frequency response of a claimed 10Hz-41khz, which is otherworldly for headphones significantly below $500. Review, Sound Demo, Recensione, Frequency Response. 3 cm) Weight without cable: 9. All of its adjustments have been shown to be symmetrical Look up headphone spec: Impedance 50 Ω Frequency response 15 - 28000 Hz Sound pressure level (SPL) 112 dB (1 kHz/1 Vrms) Jack plug 6. Sep 23, 2020 · Like the HD6XX, it also has a massive frequency response, which is from 12 Hz to 40. In terms of sensitivity, HD 660S works better. 3 cm) Weight: 9. Nov 23, 2024 · Fiio’s advertising, backed by its included frequency response graph, set my expectations for a neutral sound, and the FT1 Pro largely delivers. The 6XX series have been the gold reference for a good reason. 5 kHz. The tonality of this headphone wins points here for being mostly clean, but loses points for the veil. Discover their design, features, and compatibility in our comprehensive review. 35mm terminated cable 6. Jun 26, 2017 · By the numbers, the HD 6XX tout a massive frequency response of a claimed 10Hz-41khz, which is otherworldly for headphones well below $500. Nominal impedance: Your review mostly focused on the frequency response of each headphone but have you tried EQing them all to the same target? How much difference can you tell between them in that case? Reply reply BFree_productions • Reply reply obelisk420 •• Edited Aug 22, 2022 · The 29 GBP CNC Copper Mass Loading Mod DIY Kit By Custom Cans allows for an easy Mod of the Sennheiser HD 600 series headphones that improves their notoriously limp bass response. There hasn't been a change in driver structure, and both headphones sound fairly balanced. The HD 6XX is half the price and boasts a frequency response that more closely follows our studio curve, relative to the HD 660S. 1: HD 600 frequency response, deviation from neutral (source: Oratory Grapher) Fig. 05% Nominal impedance: 300 Ω Cable length: 6 ft (1. Our all-time best selling open-back audiophile headphones, the Massdrop x Sennheiser HD 6XX is a replacement to the original HD 650 with a refreshed aesthetic & improved utility. The HD6XX has a slightly different driver design than the HD 650, with a focus on improved sound quality and a more accurate frequency Aug 20, 2024 · This reduction in distortion across the entire frequency range results in high transparency and a frequency response that easily extends to 40 kHz, allowing the AR5000 to faithfully reproduce even intricate musical details. Oct 29, 2017 · HD660S actually has a frequency response more simlar to the HD650KISS mod than HD600 or HD650. The HD6XX features a similar design to the HD 650, but with a few tweaks to the driver design and the frequency response. Nov 27, 2023 · SOUND link to the frequency response measurement & more comparisons Given the results, it appears that Aune uses the GRAS high-frequency version of the IEC60318-4 coupler in their measurements, judging from the reduced resonance around 14kHz comparing to my measurement using the standard coupler. Due to their open-back and ear pad design, these headphones has near perfect consistency in delivering its bass. It's hard to quantify, but perhaps less "weird" or "off" compared to headphones that don't have good matching, many super expensive orthos cough cough cough. 5mm to ¼” adapter Manuals and Jun 27, 2024 · Individual Frequency Response Measurements Sennheiser HD 600 B&K 5128 — DF-Calibrated Apr 7, 2021 · Color: Midnight blue Transducer principle: Open-back, dynamic driver Frequency response: 10 Hz – 41 kHz THD: < 0. The FT1 Pro reminds me of the HD650/6XX. Jul 10, 2019 · Output impedance of the D50s affects frequency response of the 650s only very slightly, and it affects frequency response of the sundara not at all. com: Sennheiser HD6XX Open Back Professional Headphones - Black : ElectronicsAvailable at a lower price from other sellers that may not offer free Prime shipping. In the meantime, here are the measurements: Frequency response (HpTF variation) Resolve Unit (GRAS KB50XX and B&K 5128) DMS Unit (GRAS KB50XX and B&K 4128c) What is this? This Aug 27, 2025 · Find out how to choose the best DAC amplifier for the Drop + Sennheiser HD 6XX headphones and learn about its impedance, sound pressure level, and frequency response to determine if you need a DAC amp. The Basics - What is Frequency Response? Frequency response measurements are a visual representation of the headphone's sound pressure level (SPL) across the full frequency spectrum for human hearing (typically 20-20khz). I have never found my head bobbing to music (fine, outside of maybe the first few times I listened to it), nor do I ever find myself messing with the volume knob. The packaging is barebones. Should headphones be neutral, or may they offer a signature sound? Mar 11, 2025 · Flat response to 40 Hz and -3 dB down at 30 Hz provides real bass for these open back headphones. To anyone familiar with the HD 6XX (formerly the legendary HD 650), this may come to a surprise, since many consider it to already have an excellent frequency response. Upper midrange follows our headphone target closely, with only minor deviation from our line of neutrality. However, frequency graphs only reveal part of the story. Since I'm used to a constant frequency response and change headphones daily, a headphone with high THD/bad CSD is very noticable to me. May 8, 2018 · The frequency response has above-average consistency. 2 oz (260 g) Out of the Box The original Sennheiser HD 650 headphones have been in production since 2003 … 2003! Almost nothing in the headphone And its frequency response curve wasn't built to be perfectly flat or neutral, but more enjoyable. The biggest difference between the two models is that the HD 650 are a bit more comfortable, so you can wear them for longer than the HD 600. Sennheiser HD6XX 3. 1 is a frequency response measurement graph for the HD 600. 5 mm) Weight without cable: 9. The HD 6XX have a more consistent audio delivery across different listeners. Secondly this was the initial chart that I assembled from my planned changes, I no longer have the original chart but I did recreate the process that I used to set the eq. While both headphones lack thump and rumble due to their open-back design, the HD 6XX Nov 16, 2021 · The Sennheiser HD6xx is featured with an improved Frequency Response of 41000 Hz that provides you with accurate audio play. Feb 10, 2023 · The extra extension on the Sennheiser HD 660S2’s mid and sub bass has probably been the unit’s most hyped detail ever since Sennheiser released its frequency response chart. Mids – Midrange is what HD6XX does really well, in fact exceptionally well considering its asking price. The more noticeable one was a peak in the lower treble at 5. Even though HD6XX is tuned more towards neutral, it presents bass in most songs in a very musical way which generally brings a smile on my face. The HD6XX are designed to upscale with stereo amp levels of power and quality. Jun 27, 2025 · In terms of frequency response, the two models are extremely similar. That said the Sennheiser lack the Beyerdynamic's peak in the treble response that can render sibilants in a harsh way. 05%. 6 KB Mar 28, 2017 · Unlike the HD600 where I liked the Dekonis, with the HD6XX none of them worked for me in terms of how they changed the frequency response and so went back to stock pads - the ZMFs on the other hand did work for me with the HD6XX and have settled on the perforated lambskin there. If “planar timbre” is something that bothers you (by which I mean the splashy quality often associated with elevated treble as some have Feb 6, 2021 · The frequencies at which the higher bass transitions into the lower mids is one of the most present areas in the frequency response, resulting in a very warm sound signature but it manages to not be muddy nor give the impression of bass bleed at all. Great info, thanks so much! Aug 27, 2020 · The frequency response of the current HD650 (and Massdrop HD6XX) is a bit more ‘linear’ and ‘smoother’ in upper mids and the treble. Nov 1, 2016 · Massdrop Sennheiser HD6XX Frequency Response Typical Sennheiser. Nov 22, 2024 · The two headphones look very similar and share the same foundational design principles. And that is my main Aug 22, 2025 · The Sennheiser HD 6XX are slightly better audiophile headphones than the Sennheiser HD 660S2. If we’re going to split hairs, the HD 650 has a marginally higher output at 20Hz, giving it slightly better bass extension. 5 kHz, which makes it really versatile. mnwk c0 kx lpmbszt 3ratmen vfuwp dbj bpxls5 de w2