Adastra A4 Dual Stereo PA Amplifier, 4x 200W @ 4 Ohms

The Adastra A4 Dual Stereo PA Amplifier is a 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 and also has a Bluetooth receiver and FM radio tuner. 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 to deliver up to 4 x 200W. Designed to offer installers a comprehensive dual zone PA for bars, restaurants and function rooms.

Adastra A4 Dual Stereo PA Amplifier, 4x 200W @ 4 Ohms Features

- Independent stereo playback to 2 separate zones
- Media player with USB/SD playback
- FM radio tuner with external aerial connection
- Bluetooth receiver

Adastra A4 Dual Stereo PA Amplifier, 4x 200W @ 4 Ohms Specifications

- Power supply: 230Vac, 50Hz (IEC)
- Fuse: F5A, 250V
- Output power (RMS):
  - 4Ω: 4 x 200W
  - 8Ω: 4 x 100W
- Amplifier: Construction Class D
- Frequency response: 20Hz - 20kHz ±0.5dB
- Microphone inputs: 2 x 6.3mm jack (mono)
- Line inputs:
  - Line 1: L+R (6.3mm jack/RCA)
  - Line 2: L+R (RCA)
- Input sensitivity:
  - Line: 0.775Vrms
  - Aux: 0.480Vrms
- Input impedance 20kΩ (balanced), 10kΩ (unbalanced)
- Auxiliary input: 3.5mm stereo jack
- Audio sources:
  - USB/SD mp3 playback
  - FM tuner
  - BT receiver
- Bluetooth version: 2.3
- Input controls:
  - Aux
  - Media
  - Line 1
  - Line 2
  - Mic 1
  - Mic 2
  - Talkover
- Line output: 4 x RCA
- Speaker outputs: 4mm binding posts (4 channels)
- Antenna connection: F type (FM tuner)
- Output controls:
  - 2x Source select
  - 2x Bass
  - 2x Treble
  - Ch1
  - Ch2
  - Ch3
  - Ch4
- Dynamic range 92dB
- THD +N <0.1%
- Protection:
  - Thermal
  - Over-current
  - Over-voltage
  - Short-circuit
- Dimensions 482 x 240 x 88mm
- Weight 5.98kg