Adastra A8300 8x300W Rack Mount Amplifier BT/USB/FM 953.483UK

A-series mixer-amplifiers with switchable stereo or dual mono speaker outputs. Each speaker output has a stereo input source that can be selected between the internal audio player or three external stereo line inputs and even a digital optical input for AV applications. The inbuilt media player section offers playback of mp3 audio tracks from USB drive or microSD card and also has a B/T wireless receiver and FM radio tuner. Each speaker output zone has a wide ranging power capability from background music up to higher sound pressure levels, with Bass, Treble and Master Volume controls for independent sound management. Two microphone inputs have individual level controls and can be set to override the stereo line input for voice announcements. Emergency muting can be actuated from an alarm panel via the 24V EMG MUTE contacts on the rear panel. The A-series commercial amplifiers offer sophisticated functionality and power in a convenient 2U rack package with a comprehensive and accessible control surface. Each variant of this range is appointed to meet the needs of different sized installations with flexible setup options to serve various system topologies.2-band EQ per output zoneInternal audio player with USB/microSD playbackS/PDIF optical inputBluetooth connectivityEach stereo output zone can be summed as dual monoVoice override for mic inputsFM radio tuner with external aerial connection24V emergency mute contacts—Output power @ 8 Ohms: 4 x 2 x 150WrmsOutput power @ 4 Ohms: 4 x 2 x 300WrmsWeight: 11.556kgPower supply: 230Vac, 50Hz (IEC)Amplifier : construction: Class DFrequency response: 20Hz – 20kHz ±0.5dBMicrophone inputs: 2 x 6.3mm jack (mono) front or rear panelLine inputs: Line 1 (L R RCA), Line 2 (L R RCA)Digital audio input: TOSLink optical (S/PDIF)Input sensitivity : line: 0.775VrmsAuxiliary input: 3.5mm stereo jackInput sensitivity : aux: 0.480VrmsInput impedance: 10k OhmsAudio source: USB/microSD mp3 playback, FM tuner, B/T receiverInput controls: Aux, Media, Line1, Line2, Mic1, Mic2, TalkoverOutput controls: Mode, Stereo/Mono, Treble, Bass, Channel VolumesAntenna connection: F type (FM tuner)Dynamic range: 92dBTHD N: <0.1%Protection: Thermal, over-current, over-voltage, short-circuitEmergency control: 24V mute terminalsDimensions: 482 x 300 x 88mmIn the BoxA-series commercial mixer-amplifierI.R. remote control for audio playerIEC power lead—