Adastra RM480D Mixer-amp 100V BT/DAB+

RM-series 100V Mixer-Amplifier with DAB+, BT, USB/SD5-channel 19" rack-mountable mixer-amplifier, tailored to commercial sound installations to power 100V line speakers or standard speakers down to a 4 Ohm load. Input options include XLR (with switchable phantom power), mic/line jack, and RCA line. Features an inbuilt DAB+/FM radio tuner, front-mounted SD/USB ports, and Bluetooth® connectivity, all controlled via an integrated media player for hassle-free playback. A switchable ‘voiceover’ feature automatically lowers the background music volume when a signal is detected via mic input 1, and rear panel 24V contacts can mute all except mic input 1 when triggered. Outputs on screw terminal are via 4 switchable zones with a separate "always on" output for priority alert speakers.Details4 switchable 100V outputs and 1 unswitched output2U 19" rack mountable (rack ears supplied)XLR input with switchable +20V phantom power2 x mic/line inputs, 2 x RCA line inputs, 1 x RCA line outputSwitchable VOX voiceover featureBluetooth receiver with unique serial IDUSB/SD audio playerDAB+/FM radio tunerOptional 4-16 Ohm output24V emergency mute contactsMains 230Vac or 24Vdc power optionSpecificationsPower supply 170-264Vac, 50Hz (IEC)DC power 24Vdc (screw terminals)Inputs Mic XLR, 2 x mic/line jack, 2 x RCA lineInput sensitivity : mic 1 (balanced) -53dBVInput sensitivity : line (unbalanced) -15dBV (-18.5dBV line 5)Input impedance : mic 1 5k OhmsInput impedance : inputs 2-5 1k OhmsLine output RCAControls Mic1, mic/line2+3, line4+5, bass, treble, master volumeEqualiser : bass 100Hz ±10dBEqualiser : treble 10kHz ±10dBRear panel switches Phantom, Vox, Mic/Line (2 + 3)Phantom power +20V (mic 1 XLR, switchable)Audio source DAB+/FM tuner, USB/SD player, Bluetooth receiverEmergency control 24V contacts - mute all except Mic.1 when triggeredBluetooth version 5.0THD <1.0%Speaker outputs 4 switched + 1 non-switched 100V / 4-16 Ohms / COM