Glensound GS-HA013 Headphone Amplifier
Model: GS-HA013
About: Glensound GS-HA013 Headphone Amplifier
Glensound GS-HA013 is a compact, portable stereo headphone amplifier designed for professional use in broadcast, production, and live environments. It supports both balanced and unbalanced inputs, offers flexible headphone routing, and can be powered via a 9V battery or external DC supply, making it ideal for on-the-go applications.
Features
- Powered by internal PP3 battery or external 12–20V DC input
- Compact format with integrated belt clip for mobile use
- 2 balanced XLR audio inputs with individual gain controls
- One input switchable to accept unbalanced stereo on a single XLR
- Left, right, or both ear routing selectable per input
- Phase reverse switch for right ear
- Two parallel 6.35mm headphone jacks (A/B gauge compatible)
- Additional 3.5mm stereo headphone output
- Blue power LED with low battery flashing indication
Specifications
| Balanced Input Impedance | > 50kΩ |
|---|---|
| Unbalanced Stereo Input Impedance | > 22kΩ (each side) |
| Input Gain Range | -20 dBu to +8 dBu |
| Frequency Response | -1 dBu @ 20 Hz & 20 kHz |
| Noise | -54 dBu (max gain), -85 dBu (min gain), RMS 22–22 kHz |
| Headphone Impedance Range | 32 Ω to 1000 Ω |
| Headphone Level Range | -20 dBu to +10 dBu |
| Max Headphone Output | +19 dBu into 2kΩ +18 dBu into 600Ω +16 dBu into 200Ω |
| Headphone Connectors | 2 x 6.35mm (A/B gauge, parallel), 1 x 3.5mm stereo |
| Power | Internal: 1 x 9V PP3 battery External: 12–20V DC, < 44 mA (2.5mm center positive) |
| Battery Indicator | Blue LED: steady = good, flashing = low |
| Dimensions (H x W x D) | 43 x 101 x 103 mm |
| Weight | 380 g (including battery) |
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