Matrix Quattro II DAC/Ampsearch

Matrix Quattro II DAC/Amp

Matrix Quattro II DAC/Amp

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Versatile Unit With Built-In Preamp

Meant to live at the center of your high-end audio system, the Matrix Quattro II features the highly regarded ES9018S DAC, an XMOS interface, and a LME49600 ultra-low-distortion headphone amp. It comes loaded with a variety of inputs and outputs; the inputs alone include two coaxial, two optical, a USB, and an AES/EBU—an unusually high number, and ideal for switching between many sources. The Quattro II can send signal out either by XLR or RCA. It has a built-in preamp (the output can be boosted by 10 dB) and comes with a remote for convenient control from across the room. 

The Reviews Are In

Head-Fi user ostewart says, “Overall, I do like this DAC. It is very handy having a device that I can play all my sources through, along with the USB being very quiet (my one big gripe with the DDS DAC-01). It plays well with my stereo setup, along with being able to plug it into my Feliks Audio Espressivo for headphone listening. The dual headphone output is also handy if using with friends … The remote is lovely, and the volume control is very easy and intuitive to use. A well-made, good-looking, and future-proof product. Very nicely done, Matrix Audio.”


Digital Inputs

  • AES: PCM 16–24Bit/44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192 kHz; DSD64 (DoP, dCS)
  • Coaxial: PCM 16–24Bit/44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192 kHz; DSD64 (DoP, dCS)
  • Optical: PCM 16–24Bit/44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192 kHz; DSD64 (DoP, dCS)
  • USB: PCM 16–32Bit/44.1kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz; DSD64 / DSD128 (DoP, dCS); DSD64 / DSD128 / DSD256 (ASIO native) *Basic type doesn’t support DSD playback

System Support

  • Windows 7/8/8.1/10 systems need to install the supplied drivers
  • Mac OS X 10.6.4 and above versions work without installing drivers
  • Can be used with most Android devices via the OTG cable
  • Can be used with iOS devices via Lightning-to-USB camera adapter

Analog Output

  • SNR: >-122dB 20Hz–20kHz A-Weighting
  • THD+N: <0.0003% at 1kHz A-Weighting
  • Frequency response: 20Hz–20kHz (+0.01dB/-0.02dB)
  • Crosstalk: >-120dB at 1kHz

DAC Mode

  • XLR output: 4 Vrms fixed at 0 dBFS
  • RCA output: 2 Vrms fixed at 0 dBFS

Pre Mode 0 dB

  • XLR output: 0–4 Vrms adjustable at 0 dBFS
  • RCA output: 0–2 Vrms adjustable at 0 dBFS

Pre Mode + 10 dB

  • XLR output: 0–12 Vrms adjustable at 0 dBFS
  • RCA output: 0–6 Vrms adjustable at 0 dBFS

Headphone Output

  • Output impedance: 0.3 ohms
  • Output power: 1000 mW at 33 ohms at THD+N = 0.01%
  • 140 mW at 300 ohms at THD+N = 0.01%
  • 80 mW at 600 ohms at THD+N = 0.01%


  • Power voltage: 230V position is fit for AC 220V–240V 50/60Hz; 115V position is fit for AC100V–120V 50/60Hz
  • Power consumption: <25W
  • Fuse: AC 250V / 500mA 5 x 20 mm


  • Dimensions, including protrusions: 8.1 x 9.1 x 1.9 in (205 x 232 x 49 mm)
  • Weight: 4 lbs (1.83 kg)


  • USB cable
  • Power cord
  • Driver and manual disk
  • RM2 remote control


All orders will be shipped by Massdrop.

Estimated ship date is Sep 10, 2018 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.

Recent Activity

Just received mine today; I tested it on two PCs: a) my laptop w/hub, where it replaced a Topping D50 + Schiit magni3. The DAC is definitely an improvement here, the whole sound felt wider and more expansive. I really enjoyed it. This was solely through my headphones b) my desktop straight to USB, where it replaces a Schiit Jotunheim w/ DAC. Here I have mixed feelings. I listen to music through powered speakers (Adam A3Xs), so the DAC + preamp out impact was expected to be small. Mostly I wanted something smaller which didn't run as hot as the Joti, and has a remote. The Quattro II does all of this. On this PC I barely ever use my headphones (HD6XXs) But. The Joti did two things better: * I could connect the headphones at the same time as the speakers, which meant I didn't need to keep them unplugged to hear music. Useful to burn-in headphones if that's your thing, or even just for convenience * The volume control was a lot less gradual and WAY easier to use The Quattro's volume control is way to grainy, and much tougher to adjust. I feel it's overkill in this respect. It does run cooler though. Another issue... THAT one is a big problem: my unit lets out some noise through the headphones. They sound electronic in nature. I've had this happen before and it eventually went away; I'm not sure what I did to help it. Weirdly, this did not happen on my laptop, but does happen on the PC. I will try different USB outputs, or maybe the spare Schiit Wyrd I have. Oh and I will try to use install the driver too... which I have not! UPDATE: as expected installing the driver had no effect here... We'll see. I think this may become my office setup actually, as I'm still waiting for the SMSL SU-8 and the HPA-3 which will become my home balanced setup and, I hope, fix these issues.