MadBoy Toner 2 digitally changes the key of any music source up or down 5 steps (half step at a time).
Connect it between the music source and the amplifier and your set! It is that simple. Toner 2 makes singing karaoke easier and much more fun! You can also connect the Toner 2 simultaneously between two different AV sources.
Features:High Performance 24-bit DSP Processor
10-step Digital Key Controller -5 to +5 (half-steps)
2 x switchable (RCA) A/V inputs for AV sources (DVD, CD+G, PC, Ipod, VHS,... )
2 x (RCA) Video outputs
1 x L/R (RCA) output
Operates within 110 - 240 voltage range (compatible for global usage)

Package contains:1 x TONER 2
1 x Power supply (110 V - 240 V)
1 x RCA to RCA cable
1 x RCA to 1/8" stereo jack cable
1 x User Manual