- 4 Adjustable headphone outputs - 6.3 mm stereo jack connections - RCA L / R and 6.3 mm jack input - Mono-stereo switchable - Operation with external DC power supply - Max. Output Power: 4x 100 mW - Input impedance: 1 kOhm - Includes 12 V DC 500 mA power supply EUR 30.00 - See more - Buy online