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L400 Ultrasound Speaker - Product Image
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L400 Ultrasound Speaker

The L400 is an ultrasound loudspeaker with built-in amplifier that can be connected to any recording device capable of playing ultrasonic signals, such as the D1000X ultrasound detector. It can be used for various playback experiments, as an acoustic lure and for teaching the use of bat detectors by listening to the sound from the loudspeaker.


Ultrasound loudspeaker with integrated 14 W amplifier
Frequency range: 10 kHz - 110 kHz
Powered from 8 x AA cells (built-in) or 12 - 28 V external power supply
Max. output level: > 100 dB @ 1 m (at 28 V supply voltage)
Volume control
Level indicator
Rugged aluminium housing
Size: 24 x 16.5 x 7 cm
Weight: 1.6 kg, incl. batteries

Price: $1,500.00