Very good condition Steinberg UR-824 with power supply. Great 8 channel USB interface and was not used often.

Product info:

• computer audio interface with 24 input and 24 output channels
• 8 Yamaha D-PRE discrete Class A mic preamps with 48V phantom power offer warm, clean sound even at high input levels
• accepts mic, instrument, line-level, ADAT, and S/PDIF signals
• dspMixFx software offers 24-input mixing to 4 stereo outputs with low-latency direct monitoring and effects
• Download from Steinberg, REV-X reverb, Sweet Spot Morphing (compression and EQ), and Guitar Amp Classics plug-ins (DSP and VST versions for monitoring and recording)
• optical digital in/out offers up to 16 channels of ADAT signals with external mic preamps and mixers for 24-input recording

Connections:

• 2 front-panel XLR/TRS switchable mic/line/instrument inputs with 26dB pad for use with microphones, electric guitars and basses, and other instruments
• 6 rear-panel XLR/TRS balanced mic/line inputs for use with microphones, keyboards, and drum machines
• 2 ADAT-compatible optical (Toslink) digital inputs/outputs for connection to external devices such as an 8-channel mic preamp or a mixer
• • can be configured to transmit S/PDIF signals
• eight 1/4" balanced analog outputs for connecting powered studio monitors, mixing boards, or effects processors
• two 1/4" headphone outputs with independent volume control for discrete monitor mixes
• word clock in/out (BNC connector) for synchronizing sampling clock with external digital recording equipment
• USB 2.0 port for connection to a computer

General Features:

• 24-bit analog-to-digital/digital-to-analog conversion with sampling rates of 44.1/48/88.2/96/176.4/192kHz
• full integration of DSP mixing and input/output routing in Cubase for streamlined workflow
• JetPLL circuitry reduces timing jitter from digital sources, for improved accuracy and sound quality
• multi-channel mixing capability for creating 7.1-channel surround mixes
• on-board memory for storing a mix configuration for use as a stand-alone mixer on stage
• loopback feature returns signals back to the computer for live Internet streaming
• signal/peak indicators for all 8 analog inputs
• USB and power cables included (no bus power)
• system requirements: USB 2.0 port; Windows 7 (SP1), Windows 8, or Mac OS X 10.7 Lion or later; Intel or AMD dual core CPU, 4GB of free hard drive space, DVD-ROM or Internet connection for software installation
• 18-15/16"W x 1-3/4"H x 10-7/8"D (1U rack space)
• weight: 6.8 lbs.