The Pioneer DJM-S9 is a 2 channel scratch mixer for Serato DJ. The unit features two USB sound cards (lets two DJs play back-to-back seamlessly) plus inputs for analog equipment like turntables CDJs (RCA output) and a microphone. The build quality of the DJM-S9 is excellent and features Pioneers newest contactless magnetic crossfader. On the front panel you have plenty of control over crossfader curve channel curve and reverse for both channels and crossfader. The DJM-S9 two-channel mixer for Serato DJ puts the power of personalisation in DJs hands with a fast accurate and customisable crossfader plus Performance Pads and FX buttons that DJs can map to suit their preferences. The mixer delivers plug-and-play integration with Serato DJs four decks and boasts DVS support on-board Beat FX two USB sound cards and a top-loaded input switcher for seamless DJ transitions. The DJM-S9 is built to withstand the most rigorous scratch performances and suit every DJs style. The proprietary magnetic crossfader is both robust and responsive with customisable Fader Bumpers feeling adjust cut lag and fader curve. The colour-coded Performance Pads give instant access to loops cues samples and rolls – or DJs can reconfigure the pads to trigger their favourite Serato DJ functions. Plus DJs can customise the FX buttons and banks to their choice of 55 Serato DJ FX and 15 on-board Beat FX and manipulate the parameters with a wet/dry dial on each channel. And the FX On/Off lever means they can exit their creative compositions in a flash. The versatile DJM-S9 is at home in any pro-DJ set-up. DVS control means DJs can use CDJs and turntables to control Serato DJ; non-Serato DJ users can access the on-board FX and use the Performance Pads to give tactile performances without the software. The DJM-S9 is the ultimate plug-and-play Serato DJ mixer with two USB sound cards to let two DJs play back-to-back seamlessly. The input switcher is on the top of the mixer so theres no need to fiddle around at the back of the unit between sets. DJs can switch between all four Serato DJ decks while DVS support makes the DJM-S9 ideal for Serato DJs who prefer to play using CDJs or turntables. Plus DJs can record direct to the software during performance. Features Highly responsive operation. The low-latency fader delivers a fast accurate response while DJs can change the operational load using the Feeling Adjust dial. Shock-absorbing Fader Bumpers are included in three materials so DJs can choose the level of resistance they prefer. Robust build for excellent durability. The DJM-S9 is built to last using a contactless magnetic crossfader and metal shafts that withstand repeated use over a long period without loss of reliability. Configurable Curve and Reverse. DJs can adjust the crossfaders curve characteristics to suit their style and use Reverse to switch the cut lag from the bottom to the top. 15 on-board Beat FX with added parameter control. Six dedicated buttons trigger the popular Echo Delay Reverb Flanger Phaser and Trans effects in time with the BPM. DJs can replace these with other on-board Beat FX – and assign six more Beat FX to the second bank. 55 Serato DJ FX. DJs can map the six buttons plus an additional bank to their favourite Serato DJ FX powered by iZotope. Filter FX. A high pass/low pass filter on each channel lets DJs manipulate FX; DJs can switch this for other filters and FX including Dub Echo Noise and Pitch Release FX. use the large RMX-1000 style lever to trigger FX briefly lock them on or exit arrangements quickly Specifications Software: Serato DJ Input ports: CD/Line x 2(RCA) Phone x 2 (RCA) MIC x 1(XLR & 1/4-inch TRS jack) AUX x 1 (RCA) Output ports: Master Out x 2 (RCA x 1 XLR x 1) Booth Out x 1( 1/4-inch TRS jack) Headphone Monitor Out x 2 ( 1/4-inch stereo jack 3.5-mm stereo mini jack) Other ports: USB x 2 Frequency response: 20 Hz – 20 kHz Total Harmonic Distortion ratio: 0.005% or less  S/N ratio: 107 dB (USB) Maximum dimensions (W X H X D): 267 x 107.9 x 407.3 mm Maximum dimensions (W X H X D): 267 x 107.9 x 407.3 mm Unit weight: 4.6 kg Serato DJ System Requirments Applicable OS (Windows?: Windows 8.1 / Windows 7 (CPU) Intel Core i3 i5 or i7 1.07 GHz / (Memory) 4GB Applicable OS (Mac): Mac OS X v10.10 / 10.9 / 10.8 (CPU) Intel Core i3 i5 or i7 1.07 GHz / (Memory) 4GB Display resolution: 1280 x 720 or higher USB: USB 2.0 port Free HDD space: 5 GB