Adastra A4 Dual Stereo Amplifier
4 x 200 Watts RMS
Volume Pricing
Ideal for Cafe's & Small Restaurants, Salons, Small Retail.
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.
Independent stereo playback to 2 separate zones
Media player with USB/SD playback
FM radio tuner with external aerial connection
Bluetooth receiver
| 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 | : 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 |
| Auxiliary input | 3.5mm stereo jack |
| 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 <0.1% |
| Protection | Thermal, over-current, over-voltage, short-circuit |
| Dimensions | 482 x 240 x 88mm |
| Weight | 5.98kg |
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