MIGHTY-LMK2 NUX Mighty Series desktop guitar amplifier with bluetooth MIGHTY-AIR NUX Mighty Series wireless rechargeable stereo guitar amplifier 10 watt MIGHTY-SPAC NUX Mighty Series desktop wireless modeling guitar amplifier with bluetooth MIGHTY-8MK2 NUX Mighty Series digital amplifier 8 watt - 6 MIGHTY-20MK NUX Mighty Series modeling amplifier 20 watt - 8" speaker - amp modeling - DSP - looper - tuner - USB port MIGHTY-40BT NUX Mighty Series digital amplifier 40 watt - 10" speaker - DSP - tuner B/MIGHTY-40 NUX Mighty Series B-stock PA50 NUX personal monitor system