A4 Dual Stereo PA Amplifier

Fully featured PA amplifier with 2 independent stereo zone outputs and mixer section for 2 microphones and a stereo audio source. An inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card. It also has a Bluetooth receiver. A rotary switch for each output zone selects the stereo playback audio from a choice of 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. Mic inputs 1 and 2 are live to both output zones at all times. 2 pairs of speaker connections on the rear panel are via 4mm binding posts, which can drive up to 2 x 8 Ohm speakers on each of the 4 channels. Designed to offer installers a comprehensive dual zone PA for bars, restaurants and function rooms.

Features

Independent stereo playback to 2 separate zones
Media player with USB/SD playback
Bluetooth receiver

Specifications

Power supply — 230Vac, 50Hz (IEC)
Amplifier construction — Class D
Input : mic — 2 x 6.3mm jack (mono)
Input : aux — 3.5mm stereo jack
Input : line — Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)
Audio source — USB/SD mp3 playback, BT receiver
Antenna connection — F type (FM tuner)
Input controls — Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
Line output — 4 x RCA
Speaker outputs — 4mm binding posts (4 channels)
Output controls — 2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4
Protection — Thermal, over-current, over-voltage, short-circuit
Dimensions — 482 x 260 x 88mm
Frequency response — 20Hz - 20kHz ±0.5dB
Input sensitivity : line — 0.775Vrms
Input sensitivity : aux — 0.480Vrms
Input impedance — 20k Ohms (balanced), 10k Ohms (unbalanced)
Dynamic range — 92dB
THD +N — <0.1%
Bluetooth version — 2.3