Biamp MA120 120W 70V/100V Single-Channel Class D Mixing Power Amplifier
Usually arrives in 5-9 business days.
Special Order (Return conditions apply)
Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email sales@proacoustics.com or call us at 888-256-4112.The MA30 is a compact, half-rack 30-watt single-channel mixing amplifier built for installations that require dependable performance in a small form factor. Front-panel microphone and volume controls make operation straightforward, while Class D amplifier technology ensures efficient, clean audio output. Its design provides immediate visual feedback and user-friendly operation, making it ideal for both experienced and casual operators.
With four levels of audio routing priority, the MA30 includes a dedicated emergency input with mute-all function, a paging mic with contact closure and chime, one mic/line input with 48V phantom power, and two stereo line inputs. Fanless cooling, auto-standby mode, and a universal power supply support long-term reliability and energy efficiency. Compact yet powerful, the MA30 is well-suited for paging, announcements, and background music in environments such as offices, retail shops, hospitality spaces, and classrooms.
| Inputs | 1 × Emergency (line level with contact) 1 × Paging Mic (mic level with contact) 1 × Mic/Line (balanced, phantom power) 2 × Stereo Line (unbalanced, mono summed) |
|---|---|
| Outputs | 1-channel Output connectors: 4-pin Euroblock Supports 70V/100V & low impedance (4Ω min load) Pre-out level: 0 dBV |
| Front Panel Indicators | Signal present, clipping, overload, emergency active, paging active, VOX active |
| Mic/Line Input | Sensitivity: Mic -45 dBV (5.6 mVrms), Line -12 dBV (250 mVrms) Gain: -15 to +15 dB Frequency Response: Mic 165 Hz–20 kHz, Line 20 Hz–20 kHz THD+N: < 0.2% Phantom Power: +48VDC (7 mA/input) |
| Amplifier | Class D topology RMS Power: 30W (1% THD) Dynamic Power: ⁓40W SNR: > 90 dB THD+N: < 0.5% |
| Protection | Temperature, overcurrent, over/undervoltage |
| Design | Fanless convection cooling Rack mountable (2RU) |
| Standby / Power | Auto standby (10 min) ⁓60W normal, ⁓10W idle, 0.5W standby |
| Compliance | FCC Part 15B (USA) UL listed (USA & Canada) CE marked (Europe) RoHS compliant |
| Dimensions (H x W x D) | 3.5" (89 mm) x 8.5" (216 mm) x 9.8" (250 mm) |
| Weight | 5.3 lbs (2.4 kg) |
| Shipping Weight | 7.3 lbs (3.31 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.