Adastra A8300 Mixer-Amp 8 x 300W

A-series Commercial Mixer-amplifiersA-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.Details2-band EQ per output zoneEach stereo output zone can be summed as dual monoInternal audio player with USB/microSD playbackS/PDIF optical inputVoice override for mic inputsBluetooth connectivityFM radio tuner with external aerial connection24V emergency mute contactsSpecificationsPower 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 0.775VrmsInput sensitivity : aux 0.480VrmsAuxiliary input 3.5mm stereo jackInput impedance 10k OhmsAudio source USB/microSD mp3 playback, FM tuner, B/T receiverB/T wireless version 2.3Input 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 88mm