The Adastra 120W Compact 100V Mixer Amplifier is a high-performance, multifunction amplifier designed for professional audio installations in medium-sized environments. It features an integrated media player with BluetoothRegistered connectivity, DAB+/FM tuner, USB playback, and auxiliary inputs, making it an adaptable solution for background music and paging systems in restaurants, retail spaces, offices, schools, and houses of worship.
Compact yet powerful, the amplifier delivers up to 120W RMS output into 100V line or low-impedance speaker systems (down to 2Ω), all within a slim half-width 1U chassis. Included rack-mount brackets allow for flexible installation -- either side by side in a 19" rack, or surface-mounted under counters or on walls.
Built around an efficient Class D amplifier with transformer output, the Adastra 120W mixer amplifier offers excellent power efficiency and reliability. Its front panel features clearly labelled controls for master volume, bass, treble, and source selection, with a compact design for intuitive operation. The robust metal chassis ensures durability in commercial installations, while rear-panel screw terminals and DIP-switch configuration make system setup straightforward and adaptable. A 24V mute relay input allows integration with emergency and fire alarm systems.
| Specification | Details |
|---|---|
| Output Power (RMS) | 120 W |
| Amplifier Construction | Class D + transformer output |
| Audio Sources | USB / DAB+ / FM / Bluetooth / Aux (3.5mm) |
| Inputs | 1 x Mic (XLR/Jack combo), 1 x Line (RCA), 1 x Aux (3.5mm) |
| Line Output | 2 x RCA (mono) |
| Speaker Outputs | Screw terminals - 100V / 2Ω / COM |
| Input Sensitivity | -10 dB (line), -45 dB (mic) |
| Input Impedance | 1 kΩ (mic/line) |
| Bluetooth Version | 5.0 |
| EQ Controls | Bass & Treble rotary controls |
| Power Supply | 170-264 V AC, 50 Hz (IEC) |
| Mute Function | 24V relay contacts (fire alarm interface) |
| Dimensions | 320 × 210 × 54 mm |
| Weight | 3.36 kg |
The Adastra 120W Compact Mixer Amplifier delivers excellent sound quality and installation flexibility in a small form factor. With integrated media sources and Bluetooth streaming, it can serve as a complete stand-alone music and paging system or integrate seamlessly into larger public address setups. Its solid build, efficient Class D technology, and extensive connectivity make it a dependable choice for commercial environments demanding reliable performance and easy operation.
Q: Can the amplifier drive both 100V line and low-impedance speakers?
A: Yes, it supports 100V line systems as well as low-impedance loads down to 2 ohms via a selectable DIP switch.
Q: Does it have built-in Bluetooth?
A: Yes, it features BluetoothRegistered 5.0 for reliable wireless streaming from compatible devices.
Q: What media sources are supported?
A: The built-in media player supports USB mp3 playback, DAB+/FM radio, BluetoothRegistered, and a 3.5mm Aux input.
Q: Can it be mounted in a standard rack?
A: Yes, two units can be mounted side by side in a single 1U 19" rack space using the supplied brackets.
Q: Is the amplifier suitable for emergency systems?
A: Absolutely. It includes 24V mute relay contacts for integration with fire alarm or evacuation systems.
