Check the listing for details. Harbinger LV14 14-Channel Analog Mixer With Bluetooth, FX & USB Audio. Condition: New. Listed at 229.99 USD. The Harbinger LV14 is a Bluetooth-enabled 14-channel mixer that is ideal for both live and studio applications, providing a wide variety of inputs and outputs and a robust build for consistent reliability and versatility for years to come. Mix up to 12 channels, and output to pro-standard equipment with the LV14’s independent XLR main and stereo balanced 1/4” Monitor and Control Room outputs. You can also simultaneously monitor through headphones and send a stereo signal to an external recording device. For live performers, bands and DJs, the LV14 handles vocals, acoustic instruments, guitar amps, drums, stereo electronics and Bluetooth audio sources with ease. You can even send a customized mix to a stage monitor or route to/from an external effects processor.