Cricklewood Electronics

adastra A4 Dual Stereo PA Amplifier 4 x 200W

Fully featured PA amplifier with 2 independent stereo zone outputs.with mixer section for 2 microphones and a stereo audio source

• Inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card .

• 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. 

•  2 pairs of speaker connections on the rear panel are via 4mm binding posts, 

• Mic inputs 1 & 2 are live to both output zones at all times, driving up to 2 x 8 Ohm speakers on each of 4 channels up to 4 x 200W. 

• Designed to offer installers a flexible solution for PA and music playback in bars, restaurants and function rooms.

• Media player with USB/SD playback

• FM radio tuner with external aerial connection

• Bluetooth receiver

Specification

Power supply 230Vac, 50Hz (IEC)

Fuse F5A, 250V

Output power rms @ 4 Ohms 4 x 200W

Output power rms @ 8 Ohms 4 x 100W

Amplifier : Class D

Frequency response 20Hz - 20kHz

Microphone inputs 2 x 6.3mm jack

Line inputs Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)

Line Input sensitivity : 0.775Vrms

Auxiliary input 3.5mm stereo jack

Auxilliary input sensitivity : aux 0.480Vrms

Input impedance 20k Ohms (balanced), 10k Ohms (unbalanced)

Audio source USB/SD mp3 playback, FM tuner, BT receiver

Bluetooth version 2.3

Input controls Aux, Media, Line1, Line2, Mic1, Mic2, Talkover

Line output 4 x RCA

Speaker outputs 4mm binding posts (4 channels)

Antenna connection F type (FM tuner)

Output controls 2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4

Dynamic range 92dB

THD +N  Less than 0.1%

Protection Thermal, over-current, over-voltage, short-circuit

Dimensions 482 x 240 x 88mm

Weight 5.98kg