Adastra SA240 Secure Wall Amplifier 100V + UHF Mic

Adastra

Adastra SA240 Secure Wall Amplifier 100V + UHF Mic

Reviewed byUpdated 4 Jun 2026

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£449.82

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SA240 Secure Wall Amplifier 100V with UHF Mic and DAB+ Media PlayerPublic address mixer-amplifier built into a surface-mount secure box. A powerful 240W output can drive either 100V line or low impedance speakers from binding post terminals inside the cabinet. The system includes a handheld UHF microphone with an inbuilt receiver and 2 switchable wired mic/line inputs are provided on combo XLR/jack sockets. Each mic input has switchable +48V phantom power and priority override, whch mutes the Aux inputs during voice operation. An internal media player enables playback of audio tracks from USB/SD player, DAB+/FM tuner or Bluetooth pairing. Alternatively, line inputs can be connected to the Aux 1 RCA sockets or separate Aux 2 RCA/3.5mm jack sockets. For emergency control, there are 24V terminals on the bottom for patching into an alarm panel to mute all except the Mic 1 input. The combination of flexible input section and a high efficiency amplifier in a strong, lockable cabinet provides a complete solution for buildings where security and ease of use is essential.DetailsUHF wireless handheld mic includedUSB/SD media playerBluetooth receiver2 switchable mic/line inputsDAB+/FM radio tuner24V emergency mute contactsSpecificationsPower supply 170-264Vac, 50Hz (IEC)Amplifier : construction Class-D + output transformerPhantom power +20V switchable to each XLR inputInput impedance Mic: 600 Ohms / Line: 10k OhmsInput sensitivity Mic: -42dB / Line: -10dBFrequency response : mic 85Hz-22kHzFrequency response : line Line 1+2: 80Hz-24kHz, Line 3+4: 85Hz-24kHzSNR Mic: 66dB / Line: 76dBTHD <0.4% @ 1kHzSpeaker outputs 8 Ohm / Com / Com / 100VMusic source USB/SD player, DAB+/FM tuner, BluetoothMic/line inputs 2 x combo XLR/jackLine inputs RCA (Aux 1), RCA or 3.5mm jack (Aux 2)Line output XLR male connectorEqualization Bass + Treble each channelBluetooth version 5.0Carrier frequency 864.5MHzBatteries : handheld transmitter 2 x AA (alkaline)Wireless range 50m (max)Dimensions 375 x 345 x 160mmWeight 9.25kgOutput power : rms 240WFuse F2AL (20 x 5mm)

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Product Details

BrandAdastra
CategoryAudio
MerchantBoxed2me
GTIN5015972237953
MPNAVS-237953

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