Affordable High End Headphone amplifier + USB-DAC
*NEW VERSION WITH UP TO 50 HOURS OF BATTERY LIFE
The μAMP109G2+ is the New Generation of uAMP109+ with improved the features, it is a small high end portable headphone amplifier that has the additional benefit of a BASS control which makes headphone listening more flexibility.
The amplifier also has a built-in DAC and can be directly connected to an USB-port of a computer. The sound quality of this DAC crystal clearly surpasses that of standard quality soundcards.
Specifications:
Amplifier Class A
Input Impedance 10,000 Ohm/Channel
Input Level 0V to 3000mV (4V max)
Frequency Response 5Hz to 300,000Hz -0.1db
Analog Input 1/8”(3.5mm)Stereo TRS phone
THD+N <0.00003% (5Hz to 27KHz)
Digital Input Mini USB 5pin
Digital Sampling Rate 32, 44.1, 48KHz
Digital Transceiver Full speed USB 1.1 & 2
DAC Resolution 16 bit Delta Sigma Stereo
DAC THD+N <0.0003% modified
Output 1/8”(3.5mm)Stereo TRS phone
Headphone Drive 16 Ohm to 600 Ohm
Output power Up to 1200mW/Chanel RMS
Output coupling Direct Capless (No Capacitor)
Output Impedance <3 Ohm/Chanel
Gain Linear adjustable from 1 to 6 (0 to +15db no steps)
Bass Boost Variable from 0 to +6db with knob (5 to 150Hz)
S/N Ratio >110db
Virtual Ground 600mA sink/source ±0.1%
Indicators 1 Blue LED for Power
1 Red & Green (Bi Color) LED for Charge Situation
Power Switch combined with Volume
Charger Intelligent internal Charger
DC Power 1 X 9V Li- ion Battery MS1800 (included)
AC Power 90 to 240V Switching Wall Adapter
(included) MS121 Regulated
Battery Life Up to 50 hours Continuous use and
up to 80 hours partial use (normal use)
Weight 7.2 Oz (205g)
Size 2.5” W X 3.4” L(4.0”with knob) X 1.18”H
[6.3cm W X 8.0cm L(10.1cm with knob) X 3.0cm H]
MADE IN USA