This multi-zone amplifier has two mic inputs and a switchable stereo input for each zone. Its media player section offers MP3 audio playback from USB drives and/or SD cards, plus a Bluetooth receiver and FM radio tuner. Each output zone has a rotary switch which selects the stereo playback between two rear stereo inputs, a front 3.5mm stereo input, or the built-in media player. The mic inputs 1 and 2 are constantly active to all output zones. Connecting to speakers via Euroblock terminals delivers up to 200W per output at 4 Ohms, making this unit ideal for installations requiring superior stereo sound in multiple spaces. FEATURES MULTIPLE INPUTS: The A8's two microphone inputs and four selectable stereo sources per output channel provide powerful, versatile sound options, including an internal media player. Additionally, the amplifier offers access to FM radio via an external aerial connection and Bluetooth connectivity. EASILY CONTROL: A smartphone, tablet, or MP3 player can be connected to the 3.5mm Aux jack on the front panel (4). Volume of this stereo input is adjusted by the AUX volume control. The volume of the Aux jack can be adjusted precisely so you always get the optimal sound performance. ADJUST TO SUIT YOUR NEEDS: 8 x 200W output power @ 4 Ohms, Media player with USB/SD playback, Available with 3 or 4 independent stereo outputs This allows for a powerful and reliable sound system with optimal audio performance for any venue. With adjustable knobs for bass, treble, and volume, you'll be able to customize your sound to perfection. What You Get M-series multi-stereo amplifier I.R. remote control (media player) IEC power lead(s) Specifications Power Supply- 230Vac, 50Hz (IEC) Fuse- F5A, 250V 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, B/T receiver B/T Wireless Version: 2.3 Input Controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover Antenna Connection: F type (FM tuner) Dynamic Range: THD +N Protection: Thermal, over-current, over-voltage, short-circuit Dimensions: 482 x 300 x 88mm Warranty: 1 Year