Biamp Commercial MA120 120W Mixing Amplifier - 911.0659.900 is backordered and will ship as soon as it is back in stock.
Shipping Availability*
Shipping Availability*
Free Ground Shipping on Most Orders Over $250.00
Looking for the best price or expert advice? Give us a call at 1-888-230-3661 or use the Live Chat below. Buying 1 or 100, you may qualify for greater savings beyond the advertised price.
Product Overview
The Biamp Commercial MA120 is a 120-watt mixing amplifier with an intuitive front and rear panel. A prominent, illuminated volume control sits at the forefront, while the mic volume control is smaller and recessed. This Class-D mixing power amplifier supports 4-ohm and 70V/100V outputs and offers balanced mic inputs alongside four mono line, mono-summed inputs.
Product Description
The MA120 delivers a single channel of 120 watts of continuous power and provides four priority levels for audio routing. A 24V priority output overrides local volume controls, and a dedicated emergency input with a mute-all switch supports notification scenarios. It includes a paging mic input with contact closure and chime, two mic/line level inputs with 48V phantom power, and four stereo inputs. The amplifier features fanless operation, an internal universal power supply, an auto standby mode, and 2RU rack mounting.
Key Features
- 120W single channel — The MA120 delivers 120 watts of continuous power in 70V, 100V, or 4-ohm modes.
- Class-D topology — A Class-D mixing-amplifier design supports efficient operation.
- Priority routing — Four priority levels and a 24V priority output that overrides local volume controls manage audio routing.
- Emergency input — A dedicated emergency input with mute-all switch supports notification scenarios.
- Paging mic input — A paging mic input includes contact closure and chime.
- Phantom power inputs — Two mic/line inputs provide 48V phantom power, alongside four stereo inputs.
- Fanless operation — Fanless operation with an internal universal power supply and auto standby mode.
- Five-year warranty — The MA120 is covered by Biamp Systems' five-year warranty.
Typical Applications
The MA120 suits commercial meeting spaces, multi-purpose rooms, and house of worship installations needing distributed background music and paging.
Technical Specifications
| Output power (70V) | 120 watts RMS |
| Output power (4 ohms) | 120 watts RMS |
| Output tappings | 70 volts - 4 ohms |
| Minimum impedance | 4 ohms |
| Power amp topology | Class-D |
| Mic/line inputs | 2 with 48V phantom power |
| Stereo inputs | 4 |
| Priority levels | 4 |
| Emergency input | Yes (mute-all switch) |
| Paging mic input | Yes (contact closure and chime) |
| Power supply | 100 - 240 VAC, internal universal supply |
| Cooling | Fanless |
| Mounting | 19-inch rack (2RU) |
| Weight | 11.02 lbs |
| Compliance | CE marked, UL listed, RoHS compliant |
| Warranty | Biamp Systems five-year warranty |
Frequently Asked Questions
How much power does the MA120 provide?
It provides 120 watts of continuous power and supports 4-ohm and 70V/100V outputs.
Does the MA120 support paging and emergency audio?
Yes. It has a paging mic input with contact closure and chime, plus a dedicated emergency input with a mute-all switch.
How many inputs does it have?
It offers two mic/line inputs with 48V phantom power and four stereo inputs, with four priority levels for routing.
Order the Commercial MA120 and the full Biamp lineup at Creation Networks.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
Nationwide Audiovisual Services, Design, Installation & Support
Creation Networks is a trusted nationwide partner for complete audiovisual solutions — delivering expert AV system sales, professional design, programming, installation, and ongoing support to organizations across the United States.
From Microsoft Teams Rooms and enterprise video conferencing to LED video walls, live streaming production, and hybrid collaboration systems, we provide end-to-end AV integration using premium, certified technology from industry leaders including Crestron, Q-SYS, Shure, Extron, and Absen.
Whether you operate a single location or manage facilities nationwide, Creation Networks ensures your AV systems are designed for reliability, scalability, security, and long-term performance — helping your organization communicate more effectively and operate at peak efficiency.
CREATION NETWORKS — A PARTNER YOU CAN TRUST SINCE 2006











