DJ Tech DIF-1S V2 Battle Mixer with Mini Innofader Crossfader High performance, 2 channel scratch DJ mixer with Mini innoFADER contactless digital cross fader rated at 4 million cycles (fades). Adjustable cross fader curve and cut-in position, plus reverse (hamster) switch. DVS Mode: Connect your DVS sound card without disconnecting your turntables. Works with Serato and Tractor Scratch (sound cards not provided). RCA booth output with dedicated volume control. Professional quality at an affordable price. Endorsed by DJ Qbert and Thud Rumble.