SPL Phonitor xe Silver; headphone amplifier; suitable for headphones with jack plug as well as balanced headphones with 4-pin XLR plug; 2 VU meters for left and right audio channel; laterality control for detailed balancing; MODE switch for mono/stereo switching; with Phonitor Matrix for fatigue-free listening; Crossfeed control for level and frequency adjustment of left and right audio channel; Angle control for determining interaural time difference; Analog inputs: 2x XLR (female, balanced), 2x RCA (unbalanced); Headphone output: 1x TRS (6.3mm, jack), 1x XLR (4-pin, balanced); Output power (TRS): 2 x 5W (into 250 ohms); Dynamic range (TRS): 135.5dB; Output power (4-pin XLR): 2 x 3.5W (into 250 ohms); dynamic range (4-pin XLR): 130.5dB; frequency range: 10Hz - 300kHz (-3dB); THD + N (10Hz - 22kHz, 0dBu): 0.00082%; linear power supply with toroidal transformer; power consumption: max. 40VA; Stand-by power consumption: