This listing is for a Sonic Frontiers SFD-2 Tube DAC Digital Processor Converter. Made in Canada. It has been removed from a working environment, Theres some scratches on the top cover from the normal used. Power cord is included.....Please take a look at the pictures for more details and information, theyre part of the description. Description: Digital/Analog Converter with vacuum-tube output stage. Filtering: 8x-oversampling, HDCD. Conversion: differential 20-bit UltraAnalog DACs. Output stage: Fully balanced vacuum-tube. Tube complement: two Sovtek 6922 dual triodes (6DJ8). Digital inputs: coaxial on RCA jack, AES/EBU on XLR jack, and ST-type optical. Digital outputs: one S/PDIF on RCA jack. Analog outputs: one pair single-ended on RCA jacks, one pair balanced on XLR jacks. Frequency response: 5Hz-20kHz ±0.5dB. S/N ratio: >110dB (A weighted). Channel separation: >105dB at 1kHz, >85dB at 10kHz. THD: ±0.05%. Output voltage: 3.5V single-ended, 7V balanced.Dimensions: 19 W by 4 H by 13 D. Weight: 26.5 lbs net. -We Ship To United States And Canada Via Canada Post, Tracking Number Is Provided. -International buyers must message us prior to bidding or buy it now items. Please message us if you have any farther questions, thank you.