Features
Modular Design: Modular Amplifier Bay (Named GanQi Bay) and 14.8 volt Lithium Polymer Battery Bay
Memory: SDHC Card
Volume control: ALPS Analog Attenuator
DAC function: Coaxial (16bit 44.1kHz and 24bit 96kHz) , USB DAC (16bit 48kHz)
DAC Chip: Burr-Brown PCM1704; Op-Amp: OPA627
Weight: about 260g (Main Body), about 2000g (include packing box and accessory)
Size: 114 mm *78mm * 25.5 mm or 4.49 * 3.07 * 1.00 Inch
Output: Headphone out; Line out
Exchangeable Module Battery Life : 7 to 8 hours (Depending upon which Modular Amplifier board is mounted)
Charger and External Power supply: External Power supply also acts as a bettery charger and can deliver Hi-Fi grade sound quality even while charging.
Accessory: Lithium ion polymer battery; Charger/External Power Supply (110-240VAC, 50-60 Hz); USB cable; RCA-to-Mini adapter for digital coaxial input.
Music Format Support
APE Fast、Normal、High Mode
AAC 16K-320Kbps
FLAC lossless VBR 44.1kHz and 24bit 96KHz
WMA 8-355kbps
OGG Quality 0-Quality 10
WAV PCM,MS-ADPCM,IMA-ADPCM
MP3(VBR) 8-320Kbps
Update 07/30/2009 Headphone Amplifier Module Spec
Opamp: OPA275
Input Voltage: +/-7.5v
quiescent current 6-7ma
Input Impedance: 20k
closed loop voltage gain: 6dB
Distortion: 0.002%
S/N: 102dB
Frequency: 10Hz - 60KHz (-1dB)
Maximium Undistorted Power Output (RMS)
32 Ohm 1.5v 70mw
150 Ohm 3.4v 77mw
320 Ohm 3.8v 45mw
Maximium Current
32 Ohm +24ma -30ma
150 Ohm +15ma -16ma
320 Ohm +10ma -11ma