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By Biamp Systems

Biamp MA30 30W 70V/100V Single-Channel Class D Mixing Power Amplifier

Part #:
920-00661-00001
Model #:
MA30
Availability:

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.
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The Biamp MA30 is a compact 30W single-channel mixing amplifier with emergency, paging, mic/line, and stereo inputs. Ideal for small-scale installations needing simple, reliable amplification.

Description

Biamp MA30 30W 1-Channel Mixing Amplifier

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.

Features

  • Single channel; 30 watts of continuous power
  • Supports 4Ω and 70V/100V speaker outputs
  • Class D amplifier topology for efficiency and clean performance
  • Four priority levels for audio routing
  • Emergency input with mute-all function
  • Paging mic input with contact closure and chime
  • One mic/line input with 48V phantom power
  • Two stereo inputs (mono summed)
  • 24V priority output overrides local volume controls
  • Fanless operation with convection cooling
  • Auto standby mode for energy savings
  • Half-rack design; optional 2RU rack-mount accessory
  • Universal power supply for global compatibility
  • CE marked, UL listed, and RoHS compliant
  • 5-year warranty

Specifications

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)

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