The Clever Acoustics MA 4120 MKII is a robust 4-zone mixer amplifier designed for professional audio installations in environments such as schools, churches, entertainment venues, and commercial buildings. It offers flexible multi-zone audio routing with four independent 120W RMS amplifiers, making it ideal for both background music and public address applications.
Housed in a durable 3U, 19-inch rackmount chassis, the MA 4120 MKII ensures longevity and reliability. The front panel features intuitive controls, including input gain, treble, bass, and volume adjustments for each channel, as well as LED VU indicators for each output zone. This design facilitates straightforward configuration and real-time monitoring, enhancing user convenience.
| Specification | Details |
|---|---|
| Power Output | 4 x 120W RMS (4 x 240W peak) |
| Speaker Outputs | 25V, 70V, 100V, and 4-8Ω |
| Frequency Response | 60Hz-17kHz (±3dB) |
| Tone Control | ±10dB at 100Hz (Bass), ±10dB at 10kHz (Treble) |
| Signal-to-Noise Ratio | >65dB (Mic), >75dB (Line), >65dB (TEL) |
| Total Harmonic Distortion (THD) | <1% (@1kHz, 1W output) |
| Power Consumption | 550W (max.) |
| Power Supply | 110-240V AC, 50/60Hz |
| Dimensions (H x W x D) | 135 x 484 x 395mm |
| Weight | 22kg |
The MA 4120 MKII delivers clear and reliable audio across all zones, with minimal distortion. Its user-friendly interface and flexible control options make it suitable for both technical operators and end-users. The system's scalability and integration capabilities allow it to adapt to various installation sizes and requirements.
Q: Can the MA 4120 MKII handle both microphone and line-level inputs simultaneously?
A: Yes, it features five input channels, three with XLR/Jack combo sockets supporting Line/Mic/Mic+48V Phantom selection, and two stereo line-level inputs via RCA, allowing simultaneous use of multiple audio sources.
Q: Is it possible to control the MA 4120 MKII remotely?
A: While the amplifier offers comprehensive front panel controls, it does not natively support remote control. However, its line-level MIX output allows integration with external systems that may offer remote capabilities.
Q: Does the MA 4120 MKII support emergency paging?
A: Yes, it includes a telephone/paging input with adjustable level and zone selection, ensuring important messages are delivered promptly.
Q: Can this amplifier be used for both low impedance and 100V line speaker systems?
A: Yes, the MA 4120 MKII supports both low impedance (4-8Ω) and constant voltage speaker systems (25V, 70V, and 100V), making it highly versatile for various installations.
Q: What environments is the MA 4120 MKII best suited for?
A: This amplifier is ideal for schools, churches, retail spaces, office buildings, restaurants, and entertainment venues that require multi-zone audio distribution and paging capabilities.
