The compact HPAMP4 Headphones Amplifier features a stereo input and four headphone outputs with individual level controls. It is very useful in small studios or stages when up to four people want to listen together.
This 4-channel stereo headphone amplifier is designed for use with all types of headphones and therefore offers maximum flexibility. Its high-power stereo amplifiers with the low-noise 4580 OPAMP guarantee the highest sonic quality even at maximum volume. The input connections with 1/4” jack, mini-jack, RCA and mono/stereo switch together with output connections 1/4” jack and mini-jack allow the maximum flexibility without the need of special connection adapters.
| Input Section |
|
| Connectors |
2x RCA, 1x 1/4" JACK stereo, 1x 1/8" JACK stereo |
| Inputs |
1x stereo |
| Input Impedance |
20 Kohm |
| Max Input Level |
+20 dBu |
| Output Section |
|
| Connector |
4x 1/4" JACK stereo or 1/8" JACK stereo |
| Outputs |
4x HEADPHONES stereo |
| Max output 32ohm |
2x 100mW (each channel) |
| Max output 600ohm |
2x 100mW (each channel) |
| Load Impedance |
min 16 ohm per channel |
| Max gain |
+20 dB (each channel) |
| System Performance |
|
| Distortion (THD) |
0.02 % |
| Noise |
< -98 dBu unweighted |
| Frequency Response |
20 Hz - 20 KHz (-3 dB) |
| Power Supply |
|
| Connector |
USB Type B |
| AC/DC adapter input |
100-240V~ (±10%) 50/60Hz |
| AC/DC adapter output |
5V--- 1A (5W)
|
| Supplied cable |
1,2m USB Type A - Type B |
| General |
|
| Controls |
4x OUTPUT LEVEL, INPUT STEREO/MONO SWITCH |
| Indicators |
Power ON |
| Dimensions (W x H x D) |
160 x 52 x 106 mm (6.30 x 2.05 x 4.17 ") |
| Weight |
0,50 Kg (main)
0,08 Kg (adapter with cable) |
