Adastra A4 4 Channel Stereo PA Amplifier, 4x 200W, with Bluetooth

Adastra A4 - A4 Dual Stereo Amplifier 4 X 200w

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. 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
• FM radio tuner with external aerial connection

Technical Specifications

• Power supply : 230Vac, 50Hz (IEC)
• Amplifier : construction : Class D
• Microphone inputs : 2 x 6.3mm jack (mono)
• Auxiliary input : 3.5mm stereo jack
• Line inputs : Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)
• Audio source : USB/SD mp3 playback, FM tuner, 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 :