Matrix M-Stage HPA-3U+ DAC/Amp

Line output

• Signal-to-noise ratio: > -112 dB at 20 Hz – 22 kHz A-weighted
• THD+N: < 0.0003% at 1 kHz 1 Vrms A-weighted
• Frequency response: 20 Hz – 20 kHz (+0.01 dB / -0.04 dB
• Output impedance: 51 ohms

Headphone output

• Signal-to-noise ratio: > -112 dB A-weighted
• THD+N: < 0.0003% at 33 ohms 90 mW 1 kHz A-weighted
• Frequency response: 20 Hz _ 20 kHz (+0.01 dB / -0.04 dB)
• Output impedance: 0.2 ohms
• Output power (at THD+N = 0.01%): 2800 mW at 33 ohms, 420 mW at 300 ohms, 210 mW at 600 ohms

USB input

• USB chip: XMOS U-series asynchronous USB chip
• D/A chip: Cirrus Logic CS4398
• Signal-to-noise ratio: > -110 dB A-weighted
• THD+N: < 0.0009% at 1 kHz A-weighted
• PCM sample rate: 16 – 24 bit / 44.1, 48, 88.2, 96, 176.4, 192 kHz
• DSD sample rate: DSD 2.8 MHz, 5.6 MHz (DoP and ASIO native)
• System support, Windows: XP, Vista, 7, 8, 8.1 systems need to install the driver supplied
• System support, Mac: OS X 10.6.4 and above have native support, do not require a driver
• System support, Android devices: Can be used with most via the OTG cable
• System support, iOS devices: Can be used via the Lightning-to-USB camera adapter

Power

• Power voltage, 230 V position: Fit for AC 220 – 240 V 50/60 Hz
• Power voltage, 115 V position: Fit for AC 100 – 120 V 50/60 Hz
• Power consumption: < 25 W
• Fuse: AC 250 V / 500 mA 5 x 20 mm

Physical

• Gain control: 5 = 5 dB, 10 = 10 dB, 20 = 20 dB
• Dimensions, L x W x H: 11.2 x 5.6 x 1.9 in (29 x 14 x 5 cm)
• Weight: 3.7 lbs (1.7 kg)

• Driver and user manual disk
• Power cord
• USB cable
• Massdrop 1-Year Limited Warranty