ADASTRA A4 Dual Stereo PA Mixer-Amplifier: 4x200W, USB

The ADASTRA A4 Dual Stereo PA Mixer-Amplifier is a fully featured audio solution designed for professional use in bars, restaurants, and function rooms. With two independent stereo zone outputs, this amplifier supports up to four channels, delivering an impressive output of 4 x 200W at 4 Ohms. It features a built-in media player for USB and SD playback, Bluetooth connectivity for wireless audio streaming, and an FM radio tuner. The intuitive rotary switches allow easy selection between multiple audio sources, including two rear stereo inputs and a front 3.5mm stereo input. Ideal for installers looking for a versatile PA system, the A4 ensures exceptional sound quality and reliable performance.

Features

• Dual Zone Outputs: Independent stereo playback to two separate zones for versatile audio distribution.
• Built-in Media Player: Play MP3 audio tracks from USB drives or SD cards, enhancing playback options.
• Bluetooth Connectivity: Stream audio wirelessly from compatible devices, providing convenience and flexibility.
• FM Radio Tuner: Enjoy your favorite radio stations with an external aerial connection for better reception.
• Multiple Input Options: Includes 2 x 6.3mm mic inputs, 2 rear stereo inputs, and a front 3.5mm stereo input.
• Robust Speaker Connections: Dual pairs of 4mm binding posts for connecting up to 2 x 8 Ohm speakers per channel.
• Class D Amplification: Efficient design with low distortion and high dynamic range for clear audio reproduction.
• User-friendly Controls: Rotary switches for source selection and dedicated controls for bass and treble adjustment.

Specifications

• Output Power (RMS) @ 4 Ohms: 4 x 200W
• Output Power (RMS) @ 8 Ohms: 4 x 100W
• Input Sensitivity (Line): 0.775Vrms
• Input Sensitivity (Aux): 0.480Vrms
• Frequency Response: 20Hz - 20kHz ±0.5dB
• Dynamic Range: 92dB
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Dimensions: 482 x 240 x 88mm
• Weight: 5.98kg
• Power Supply: 230Vac, 50Hz (IEC)