
BOX HEAD 01
Metal headphone amplifier
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Description
The VMR Box-Head-01 is a professional, compact, portable headphone amplifier made so musicians and technicians can monitor with good level and clarity. It takes the signal through a 1/4" TS unbalanced jack input and delivers it through a 3.5 mm stereo output with volume control, ideal for practicing, recording or monitoring on stage and in the studio.
It offers up to 20 dB of maximum gain, a frequency response of 10 Hz to 40 kHz (-3 dB) and THD below 0.01%, with a noise level below -95 dBu unweighted. It has a power indicator and a parallel output. It runs on a 9 V DC adapter or a 9 V battery, and its metal case with a belt-clip design makes it handy to wear during rehearsals and performances. It weighs just 0.24 kg.
- Construction: Full metal case, belt-clip design
Specifications
| Code | BOX-HEAD-01 |
|---|---|
| Type | Professional headphone amplifier |
| Input | 1/4" TS unbalanced |
| Input impedance | 10 kΩ |
| Maximum input level | 180 mV |
| Output | 1 stereo 3.5 mm TRS jack |
| Maximum output level | 1.8 V |
| Maximum gain | 20 dB |
| THD (50 Hz–20 kHz, 0 dB) | < 0.01% |
| Noise | < -95 dBu sin ponderar |
| Frequency response | 10 Hz to 40 kHz (-3 dB) |
| Power supply | 9 V DC adapter or 9 V battery |
| Control | Volume control |
| Indicator | Power LED |
| Dimensions (W x H x D) | 63 x 49 x 110 mm |
| Weight | 0.24 kg |
| Warranty | 1 year |



