
BA3-120Z
3-Zone Mixer Amplifier
19″ 2U • 120 W • 100 V / 70 V / 4–16 Ω • Media Player

3-Zone Mixer Amplifier
19″ 2U • 240 W • 100 V / 70 V / 4–16 Ω • Media Player
The BA3-240Z public address 3-zone mixer amplifier is designed for small, multi-room commercial audio installations, with each loudspeaker zone set to its own output volume. This 19″ rack-mount unit integrates a zone paging controller, pre- amplifier, power amplifier and media player in a single 2U chassis. It delivers a rated output of 240 W, provides 3 microphone and 2 Aux inputs, and supports 100 V / 70 V line and 4–16 Ω loudspeaker applications.
| Model | BA3-240Z |
|---|---|
| Description | 3-Zone Mixer Amplifier with zone attenuators, MP3 / USB / SD, FM & Bluetooth |
| Rated Power Output | 240 W |
| Speaker Output | 3 × zone outputs (100 V) 1 × output: 4 Ω / 8 Ω / 16 Ω / 70 V / 100 V |
| Inputs | Mic 1–3: 2.5 mV — Mic 1 (6.3 mm jack), Mic/Line 2–3 (XLR combo) Aux 1–2: 250 mV, RCA |
| Control Input | 24 V mute input, triggers built-in chime / alert / EVAC messages |
| Frequency Response | 80 Hz – 16 kHz |
| THD | < 0.1% |
| S/N Ratio | > 70 dB |
| Protection | Over-temperature, short circuit, clip & overload |
| Power Supply | 230 V AC, 50/60 Hz |
| Power Consumption | 400 W |
| Dimensions (W × D × H) | 484 × 405 × 88 mm |
| Net Weight | 8.7 kg |


The mixer amplifier shall be a 19″ rack-mount, 2U unit integrating a 3-zone paging controller, pre-amplifier, power amplifier and media player. Rated power output shall be 240 W. It shall provide 3 zone speaker outputs (100 V) with independent volume control, plus one output for 4 Ω / 8 Ω / 16 Ω / 70 V / 100 V loudspeakers. The built-in media player shall support USB, SD, FM tuner and Bluetooth, with IR remote control. It shall have 3 microphone inputs (Mic 1 on 6.3 mm jack, Mic/Line 2–3 on XLR combo with mic/line switch and 48 V phantom power) and 2 RCA Aux inputs. Mic 1 shall have VOX priority. A 24 V mute control input shall trigger built-in chime, alert and EVAC pre- recorded messages. Frequency response shall be 80 Hz – 16 kHz, with THD < 0.1% and S/N ratio > 70 dB. The amplifier shall include clip, overload, short-circuit and over-temperature protection, operate from 230 V AC, 50/60 Hz with 400 W power consumption, weigh 8.7 kg and measure 484 × 405 × 88 mm (W × D × H).

3-Zone Mixer Amplifier
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