"Mackie, B Box, 12-Channel (PROFX12V2) Mackie ProFX12v2 12-channel Mixer with USB and Effects. Mackie ProFX12v2 tested working. This is a pre-owned, used electronic item in working condition. Instructions and additional specs are available online via PDF from Mackie. According to the Mackie website: Mackie ProFX12v2 Professional Effects USB Mixer Features: 6 low-noise Mackie Vita mic preamps add life to any input; Ready FX effects engine with 16 effects including reverbs, delays, and choruses; 7-band graphic EQ for tuning mains or monitors; Aux output for monitor mixes, venue 70-volt systems, and more; 3-band EQ and 100Hz low-cut filter on all channels; hi-Z input lets you directly connect guitar, bass, and other instruments; 48-volt phantom power on all mic channels; Headphone output with separate level control for easy monitoring; Roadworthy design with steel chassis and ABS side protection; 4 stereo channels plus a stereo return for external effects or stereo playback devices; Balanced XLR and balanced/unbalanced ¼ inch main outputs; FX mute with remote control via footswitch; Break switch mutes all channels for music playback between sets; USB for playback music and recording via Mac or PC. We review every item to determine basic condition. If you require a more detailed description or condition report please contact us at: Win@gonbid.com, 845-372-4787, or through our website www.scottdanielsauction.com. All lots are sold in as-is condition at the time of sale, and condition listings are given as a courtesy for guidance only and should be evaluated by personal inspection by the bidder."