Matrix Audio HPA-2 Classic DAC/Amp

Line Output

• SNR: ＞-95dB at 20Hz–22kHz A-Weighting
• THD+N: ＜0.0017% at 1kHz 1Vrms A-Weighting
• Frequency response: 20Hz–20kHz (+0.01dB/-0.04dB)
• Output impedance: 51 ohms

Headphone Output

• SNR: ＞-95dB A-Weighting
• THD+N: ＜0.0017% at 300 ohms 13mW 1kHz A-Weighting
• Frequency response: 20Hz–20kHz (+0.01dB/-0.04dB)
• Output impedance: 10 ohms
• Output power: 110mW at 33 ohms / 310mW at 300 ohms / 160mW at 600 ohms, at THD+N=1%

USB Input

• USB: XMOS Asynchronous USB Audio class 2.0
• DAC: CIRRUS LOGIC CS4398
• SNR: ＞-103dB A-Weighting
• THD+N: ＜0.0009% at 1kHz A-Weighting
• PCM sample rate: 16–24 Bit/44.1kHz 48kHz 88.2kHz 96kHz 176.4kHz 192kHz
• DSD sample rate: DSD2.8MHz/DSD5.6MHz (DoP and ASIO Native）

System Support

• Windows 7/8/8.1/10 systems need to install the driver supplied
• Mac OS X 10.6.4 and above versions have native support and do not require a driver
• Can be used with most Android devices via the OTG cable
• Can be used with iOS devices via the Apple Camera Connection Kit

Power

• Power voltage: 230V position is fit for AC220V–240V 50/60Hz; 115V position is fit for
• AC100V–120V 50/60Hz
• Power consumption: ＜15W
• Fuse: AC250V/500mA 5 x 20mm

Physical/Other

• Color: Black
• Gain: L = +6dB, H = +15dB
• Dimensions, including protrusions: 11 x 4.7 x 1.9 in (280 x 120 x 47 mm)
• Weight: 2.7 lbs (1.22 kg)

• Disk with driver and manual
• Power cord
• USB cable