Revolutionary Improvement
HPA-3U⁺ is a biggest evolution since the M-Stage series headphone amplifier came out, the new appearance, the new circuit design and radical performance improvement to make it all difference.
Rocky mountain under blue and white sky
Man holding pair of ski poles in front of trees
Vaihingen an der Enz, Germany
Closeup photo of world globe
Blessed are the curious, for they shall have adventures. 🚩
Aerial photo of person using paddleboard
Car on curve road surrounded by trees
Speciflcations
Technical
Line Output
- SNR
- ＞-112dB at 20Hz-22kHz A-Weighting
- THD+N
- ＜0.0003% at 1kHz 1VRMS A-Weighting
- Frequency Response
- 20Hz-20kHz(+0.01dB/-0.04dB)
- Output Impedance
- 51ohms
Headphone Output
- SNR
- ＞-112dB A-Weighting
- THD+N
- ＜0.0003% at 33ohms 90mW 1kHz A-Weighting
- Frequency Response
- 20Hz-20kHz(+0.01dB/-0.04dB)
- Output Impedance
- 0.2ohms
- Output Power
- 2800mW at 33ohms / 420mW at 300ohms / 210mW at 600ohms at THD+N=0.01%
Gain Control
- Gain
- 5=5dB 10=10dB 20=20dB
USB Input
- USB Chip
- XMOS U-Series Asynchronous USB Chip
- D/A Chip
- CIRRUS LOGIC CS4398
- SNR
- ＞-110dB A-Weighting
- THD+N
- ＜0.0009% at 1kHz A-Weighting
- PCM Sample Rate
- 16-24Bit /44.1kHz 48kHz 88.2kHz 96kHz 176.4kHz 192kHz
- DSD Sample Rate
- DSD2.8MHz/DSD5.6MHz（DoP and ASIO Native）
- System Support
- Windows XP/Vista/7/8/8.1 systems need to install the driver supplied
- Mac OS X 10.6.4 and above version have native support and do not require a driver
- Can be used with the most of Android devices via the OTG cable
- Can be used with iOS devices via the Lightning to USB Camera Adapter
Power
- Power Voltage
- 230V position is fit for AC220V-240V 50/60Hz
- 115V position is fit for AC100V-120V 50/60Hz
- Power Consumption
- ＜25W
- Fuse
- AC250V/500mA 5×20mm
Others
- Dimension
- 285×142×49mm L×W×H(Including the protruding part)
- Weight
- 1.7kg
Accessory
- Driver&User Manual Disk
- ×1
- Power Cord
- ×1
- USB Cable
- ×1