Product Description
Adastra A4 Double Stereo Amplifier 4x200W RMS
Fully featured PA amplifier with 2 independent stereo band outputs and mixer for 2 microphones and stereo sound source. A media player system that offers playback of mp3 music tracks from a USB drive or SD card and also has a Bluetooth receiver and an FM radio receiver. A rotary switch for each output zone selects stereo playback 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 for live streaming to both output zones at all times. 2 pairs of speaker connections on the rear panel are via 4mm connectors, 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 provide a complete dual-band PA for bars, restaurants and function rooms.
Independent stereo playback in 2 separate zones
USB / SD media playback
FM radio receiver with external antenna
Bluetooth receiver
Characteristics:
Power supply: 230Vac, 50Hz (IEC)
Fuse: F5A, 250V
RMS output power @ 4 Ohms 4 x 200W
RMS output power @ 8 Ohms 4 x 100W
Class D construction
Frequency response: 20Hz – 20kHz ±0.5dB
Microphone inputs: 2 x 6.3mm jack (mono)
Input line Line 1: L+R (6.3mm jack/RCA)
Input line Line 2: L+R (RCA)
Line input sensitivity (line): 0.775V rms
Auxiliary input: 3.5mm stereo jack
Aux input sensitivity: 0.480V rms
Input Impedance: 20k Ohms (balanced), 10k Ohms (unbalanced)
Audio sources: USB/SD mp3 playback, FM tuner, BT receiver
Bluetooth version 2.3
Control inputs: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
Line Out: 4 x RCA
Speaker outputs: 4mm binding posts (4 channels)
Antenna connection: F type (FM tuner)
Control outputs: 2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4
Dynamic range: 92dB
THD +N