Glensound GS-HA011 Single Input Headphone Amplifier
Model: GS-HA011
About: Glensound GS-HA011 Single Input Headphone Amplifier
Glensound GS-HA011 is a rugged, portable single-channel headphone amplifier designed for professional use in field and studio environments. Featuring transformer balanced inputs, gain adjustment, and dual headphone output options, the GS-HA011 delivers reliable, high-quality audio monitoring in a belt pack format.
Features
- Portable belt pack-style single channel headphone amplifier
- Transformer balanced audio input with adjustable gain
- Audio input via XLR with loop-through XLR output
- Dual headphone outputs: 6.35mm and 3.5mm jack sockets
- Supports stereo headphones or single earpiece monitoring
- Volume control for headphone level adjustment
- Compatible with 32 to 1000 Ohm headphones
- Powered by internal 9V PP3 battery or external 12–20V DC supply
- Low battery LED indicator and on/off switch
- Rugged housing with belt clip and strap anchor points
Specifications
| Audio Input | Transformer balanced XLR |
|---|---|
| Input Impedance | > 20kΩ |
| Input Range | -20 dBu to +8 dBu |
| Output Range | -20 dBu to +10 dBu |
| Frequency Response | < -1 dBu, 50 Hz – 16 kHz |
| Noise | > -80 dBu CCIR Unweighted Q Peak @ Line up |
| Max Output | +19 dBu into 10kΩ, +16 dBu into 600Ω |
| Distortion | < 0.25% (100 Hz – 1 kHz), < 0.02% (1 kHz – 10 kHz) |
| Power (External) | 12–20V DC < 26 mA |
| Battery | 9V alkaline PP3; battery life > 18 hours |
| Low Battery Indicator | LED activates at 6.0V |
| Headphone Impedance Range | 32 – 1000 Ohms |
| Dimensions (L x W) | 153 mm x 73 mm |
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