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Product Information

Instruction Manual

  • Sold out! More units arriving March. Reduced pricing effective until then.
  • ARC (Aural Resonance Cascade) is a project 2 years in the making. Over the years of selling our famous Objective2 and ODAC line of products we've received incredible feedback and suggestions in how to improve our products. We took all of it and designed a completely new platform from the ground up, only carrying over the enclosure from the Objective2 line. Our main focus was with the ARC was to bring in modern design and components, doing it better than the competition. We've somehow packed a powerful headphone amplifier, ultra-clean DAC, Microphone ADC and RCA jacks into an extremely small box, all while being made in the USA.

    ARC Features:
    • Built with a driverless DAC compatible with Windows, Mac, Linux and the PS4.
    • High output headphone amplifier with 1 watt of power at 32 ohms.
    • Built-in bass boost DSP (Digital Sound Processor).
    • Handmade and individually tested in our US-based facility.
    • Digital Volume Control
    • Smart Sensing RCA Output Jacks
    • Optical (Toslink) Input
    • 100-240v 50-60hz power supply US Type Plug
    • Frequency Response: +/-0.05 dB (20Hz-20kHz)
    • THD 1 Khz 150 Ohms: 0.0026%
    • IMD CCIF 15 Ohms: 0.0007%
    • IMD SMPTE: 0.001%
    • Noise 24/96 (A Weighted): -109 dBu
    • Max Output (32 Ohms) : 1W (THD+N < 0.003%)
    • Max Output (150 Ohms): 365 mW (THD+N < 0.003%)
    • Max Output (600 Ohms): 92 mW (THD+N < 0.003%)
    • Output Impedance: 0.096 ohms
    • Crosstalk (150 ohms) : -65 dB
    • Channel Balance (50% volume): 0.2 dB
    • Dynamic Range (A-Weighted): > 120 dB
    • Linearity Error: -90 dBFS 24/96 -0.1 dB
    • USB Jitter Components: 11025Hz -112dB
    • RCA Line out: 1V RMS
    Audio formats
    • USB: 24/96, 24/48 - Driverless
    • Optical: 24/192, 24/96, 24/48, 24/44.1, 16/192, 16/96, 16/48, 16/44.1
    • ASIO Drivers available
    • 4.25” W x 3.25” L x 1.25” H
    • Weight: 8.5 oz.
    Power Supply
    • 100-240v 50-60hz US style plug. (Use US to local plug adapter if needed)
    • 5v DC, 2A with 6.5ft (2 Meter) long cable
    Current Stock:
    Weight: 1.00 LBS
    Width: 4.25
    Height: 3.25
    Depth: 1.20

    Customer Reviews 5 (10 Reviews) Write a review of this product

    5 Stars
    ARC the Dac/amp built for gamers

    At first I wasn't impressed, Got my standard lineup ready , all the snooty standard FLAC files that the audiophiles love to play to evaluate new equipment, Hotel California, Money for nothing etc. and put on my DT880 headphones. Treble seemed slighty bright and etched , mid bass sounded a tad hollow, soundstand was narrowish but adaquate. I sighed thinking I just wasted over 200 dollars on a product that other people like but I didn't due to the fact I'm too damn picky and decided to play a game of Overwatch. Shortly thereafter I began to understand. This is what the little ARC is made for , crisp music , accurate footsteps, no weird USB mic dongle , My mod mic sounded better than ever , dialog was clear , even the DSP bass boost made explosions come alive, This is what sound in games should be . After I won my match I smiled and thought first impressions aren't always correct. This tiny black box is a welcome addition to my gaming desk.

    5 Stars
    Fantastic DAC for gamers

    Just got my ARC today. Shipping was quick. I have to say I love this little box. I started off using a dedicated soundcard for gaming, then moved to a MixAmp Pro TR. Night and day difference in clarity. The MixAmp's best feature was being able to mix game chat with game audio but I found I really didn't use it all that much and the sound really wasn't that great. Having the mic input on the ARC really separates it from other DACs I researched. DSP definitely adds a little punch to the bass. I've only had it for a day but I'm very impressed! I'm only driving ATH-50X's and SuperLux 650B's but my Massdrop Senn HD6XX are on the way, can't wait to see what they sound like with an without them. Thank you Mayflower for thinking about us gamers who also like to listen to music!!!

    5 Stars
    First day

    Spent one day with it so far. Used USB on low gain setting with my Fidelio X2 and ModMic 5. Friends noticed a change in microphone quality, saying it was clearer and sounded more accurate to my voice. I noticed some noise when using windows self-listening feature, but haven't tried any recording yet. Friends heard me with software noise cancellation enabled, so hard to say. Audio quality; definitely an improvement over my onboard. I had solid on-board audio with a Maximus VIII Hero, but o immediately noticed richer sounds. Sound stage seemed very slightly improved, while retaining a rich feel. Bass was a big improvement for some reason, not sure why my on-board cut so much of it down. Never turned knob more than 1/3 of its full range, yet was more than enough. Tried the bass boost feature, wasn't a huge fan. If I ever felt the need for it, I would try it. Only complaint was turning on the bass boost resulted in the headphones becoming "mute" for 5-10 seconds. Rather large delay where you can't hear a thing before it kicks in, not sure if that is typical or if something is up with mine. So far, very happy with the purchase, will need more time to play with it, if anything changes I'll add another review down the road.

    5 Stars
    Powerful amp that does the job and does it well

    I'm very satisfied with my choice to get the ARC. I have this driving my Sennheiser HD800 and it does it well. The bass boost does work well. I needed something affordable that worked well and after my research I found this to be the best choice and I'm glad I got it. It also boosts the mic as well. Hats off to Mayflower for creating a great product. 5/5 stars. No regrets. Would highly recommend to anybody wanting to drive their high-end headphones properly.

    4 Stars
    Usually great

    It works great most of the time, but every now and then the audio just stops working completely and I need to unplug the ARC for a few seconds, plug it back in and everything work again.

    5 Stars
    Being proven wrong has never sounded better.

    I was never really convinced on the amount of difference that a more expensive "better quality" dac/amp could make over the onboard sound hardware in a good phone or PC. Yeah, it made sense for high-impedance cans, but for IEM's I just didn't buy the hype that a dac/amp would really improve attributes like sound-stage and resolution to a noticeable level. Well, I was wrong. I purchased the ARC for use at work because I wanted to be able to bring my Alpha Primes and HD6XX's in and knew that my work PC (latest gen surface pro) wouldnt be up to the task of driving them fully. Also, I'm often on teleconferences for several hours out of the day so the MIC input was a must-have. Aside from the ARC really being the ONLY option in this form factor, quality, and price range, I've also really admired Tyler's No BS approach to HiFi and what hes doing with Mayflower since I saw his first guess appearance on Tek Syndicate years ago. When I started looking for a product like the ARC and realized that Mayflower had already been working on one for years and just released it, there was no way I could resist pulling the trigger. Time from order to delivery was about 1 week, with standard shipping which is pretty impressive for a hand-built product from a small company. Packaging was well done, from a functional perspective. Clearly Mayflower isn't spending any of your money on wasted decorations or superfluous packaging. I received it today and have just been just been listening with the work IEM's that I have with me: Nuforce HEM6's (triple driver, balanced armature IEM's). So I didn't really expect to hear much difference between my Samsung Note8, MS surface pro, and the ARC. Wow, am I ever surprised with what I'm hearing! "soundstage" and positional audio in IEM'S?!? I didnt think that was a thing. Clarity, separation, and just about every part of how the sound is rendered is significantly improved. Overall its a much more immersive and engaging experience that's had me re-visiting my favorite tracks all day. I also didn't expect to touch the DSP button since I previously associated "push button" pre-set sound tuning with horrible muddy, heavy-handed "beats by dre"ification. I was wrong again. The DSP does a very good job of JUST upping base without losing any detail, bleeding over into other areas, or feeling unbalanced or overdone. The result is "fun" without feeling gimmicky. The inline mic on my HEM's isn't anything special, but it sounds clear and clean and I have to push the gain pretty high before I start to hear any hiss. I cant tell much difference over on-board sound with the mic-in but I'll test more with the ModMic 5 when it arrives. Being proven wrong has never sounded better. Nice work Tyler&Team!

    5 Stars
    ARC - Super awesome DAC+AMP!

    I just bought this DAC+AMP and im super satisfied with it, im using it for gaming with my headphones Beyerdynamic DT-990 Pro 250 ohm and Antlion MODMIC V5.0, And the volume is plenty enought for my headphones. And even if you need more you can enable high gain (on the backside of the product) and you are probably pretty much set for every situation. Mostly got this product because of the AMP because my motherboard could not handle the high impedance for my headphones, but the DAC also comes in hand for my mic which give me a clearer voice, super +++ for Mayflower Electronics to provide this feature!

    4 Stars
    Good quality

    The build quality is good, and it looks good in front of my laptop. The amp also works as intended. I would also suggest buying an optical cable that has a longer male dongle because I had to unscrew the back plate for the cable that I bought to attach properly.

    5 Stars

    This product is simply put, amazing. I'm using it with a DT990 and HD6XX and it drives them both spectacularly. It produces clean and neutral audio. I am also using a modmic and the microphone jack is just so convenient to have. Having mounted this under my desk i no longer have to run headphones or microphone cables across the desk to back of my PC or to my front panel i/o. The only thing I can nitpick over is that the mic volume is low on my unit if I plug the microphone in AFTER turning the amp on. This is only a minor issue though and I can get around it by turning the amp off and on again or plugging the microphone in before turning it on. Adjusting the mic level in software then putting it back to where it was also fixes it. Overall a really great product especially for gamers who want to use a modmic with a high end pair of cans.

    5 Stars
    Great little device

    Was really surprised how small it is. Looks alittle bigger in videos. Fits in your adult size palm. Delivers on crisp clear and clean audio with nice bass boost. A definite increase in sound from a astro mix amp. Half volume is really high when full on the astro wasn't good enough for me.