Features Equipped with an Internal Serato Certified Soundcard Automatic Beat Sync - Effects Synced with the Beat of the Music High-Quality Input and Output Circuits to Achieve Accurate Audio Reproduction Six Types of Sound Color FX Description Product Description Includes 1 Year Free Extended Warranty. The DJM-900SRT is a multi-functional mixer that can accommodate various types of DJs including both traditional and Serato DJ software users, ideal for a single-DJ set-up in a venue. Additionally, Pioneer's recently announced DDJ-SP1 sub-controller is a perfect companion to the DJM-900SRT to offer Serato DJ users with additional audio samples and effects for enhanced performances. Designed especially for use with Serato® DJ software, the new mixer eliminates the need for an outboard sound card when used in conjunction with multiple players or turntables. In addition to compatibility with the software, the mixer inherits the same features offered by Pioneer's highly acclaimed and industry standard DJM-900nexus mixer including onboard effects and high-performance components for intuitive operability and excellent sound quality. Feature Packed Peak Limiter - The DJM-900SRT is equipped with a peak limiter to minimize distortion on the master output, even at high volumes. Assignable MIDI Functionality - Nearly all knobs and buttons operation information can be assigned to control other devices. The mixer can also be used as a MIDI controller. MIDI LFO - The built-in MIDI LFO function controls external devices such as effecters, and the MIDI signal output changes at beat-by-beat intervals. Switching 3-Band EQ/Isolator - Each channel of the mixer is equipped with a switchable 3-band EQ (+6dB to -26dB) and 3-band Isolator (+6dB to -∞dB). Auto Standby - The mixer automatically switches to standby mode when signal inputs have not been detected for a pre-set period of time.