SM Pro Audio Q-Amp Headphone amplifier.
http://www.smproaudio.com/index.php/en/products/headphone-amps/q-amp
AUDIO INPUTS:
Connectors 1/4“ jack
Type unbalanced
Impedance 47k Ohms
Peak input level +25dB
Gain control range 40dB
HEADPHONE POWER AMPLIFIER OUTPUTS:
1/4” and 1/8” stereo outputs
Max. output level 300mW@32 Ohms (max 1W@32 Ohms)
Output impedance 22 Ohms
Max. gain +20 dB
DIST, FREQ, S/N RATIO & CROSSTALK:
Frequency response 20Hz~20kHz, 0dB~-2B
Distortion 0.02%
S/N Ratio better than 80dB
Crosstalk rejection >72dB@1kHz;-20dBinput
PHYSICAL:
Dimension 1 3/4“ (44.5 mm) * 19“ (482.6 mm) * 8 1/2“ (217 mm)
Net weight approx. 1 kg
2 Stereo TRS inputs
4 headphone amplifiers
Volume control per channel
Selector switch for each output 1-2
Housing: Metal
60 euro.
http://www.smproaudio.com/index.php/en/products/headphone-amps/q-amp
AUDIO INPUTS:
Connectors 1/4“ jack
Type unbalanced
Impedance 47k Ohms
Peak input level +25dB
Gain control range 40dB
HEADPHONE POWER AMPLIFIER OUTPUTS:
1/4” and 1/8” stereo outputs
Max. output level 300mW@32 Ohms (max 1W@32 Ohms)
Output impedance 22 Ohms
Max. gain +20 dB
DIST, FREQ, S/N RATIO & CROSSTALK:
Frequency response 20Hz~20kHz, 0dB~-2B
Distortion 0.02%
S/N Ratio better than 80dB
Crosstalk rejection >72dB@1kHz;-20dBinput
PHYSICAL:
Dimension 1 3/4“ (44.5 mm) * 19“ (482.6 mm) * 8 1/2“ (217 mm)
Net weight approx. 1 kg
2 Stereo TRS inputs
4 headphone amplifiers
Volume control per channel
Selector switch for each output 1-2
Housing: Metal
60 euro.
