The AM440D USB-K mixers are an original Phonic concept, incorporating wireless Bluetooth technology directly into our popular AM analog mixers. Using a 2.4 GHz wireless signal, up to two of the Phonic wireless microphones can be connected to the mixer and routed to channels 3 and 4. The mixer also offers a USB-B connector for connecting to any modern Windows PC or Mac computer. This will allow the main stereo mix to be recorded directly to the computer. A stereo return signal can also be routed back through the 2T / USB Return. Audiophile-quality & ultra low noise circuitry, USB port for Bluetooth wireless dongle (included), Connect up to 2 wireless microphone handsets, 4 mono mic/line channels, 2 stereo channels, EFX send on each channel, 75Hz low-cut filter on mono channel, 3-band EQ on each channel, Stereo USB audio interface for PC and Mac computers in 16-bit at 44.1kHz sampling rates, 32/40-bit DSP with 100 EFX and tap-delay and test tones, Separate EFX route control, +48V phantom power on mic channels, EFX/AUX send cue for monitoring individual channel, Balanced TRS outputs. AM440D USB-K-2 includes two wireless microphones. Colour: Grey.