Power Source	100 - 240 V AC, 50/60 Hz
Power /  Current Consumption	230 W (rated output, 64 units) 81 W (1/8 of rated output, 64 units) 200 mA or less (when power switch is OFF)
Rated Output	120 W (Speaker Output)
Frequency Response	20 Hz to 20 kHz ±3 dB
Distortion	1 % or less at 1 kHz (20 kHz LPF (AUX-0025))
Tone Control	Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz (Speaker Out)
Signal to Noise Ratio	83 dB or more (Speaker volume: min.) 76 dB or more (Speaker volume: max, Input volume: min.) 55 dB or more (Speaker volume: max, Input volume: max.) (A-weighted)
Audio Input	Mic: -60dB* (unbalanced) / -41 dB* (balanced) selectable, 600 Ω, Ø6.3 mm phone jack Note: MIC input is equipped with phantom power (24 V DC, ON/OFF switchable) AUX IN: -20 dB*, 10 kΩ, unbalanced, RCA pin jack x 2
Audio Output	SPEAKER OUT: High impedance (100 V line / total 83 Ω) / Low impedance (4 - 16 Ω) selectable, removable terminal block (3 pins) REC OUT: -10dB*, 10 kΩ, unbalanced, RCA pin jack x 2
Equalizer RETURN/SEND Terminal	-10dB*, 10 kΩ, unbalanced, RCA pin jack, ON/OFF switchable
Video Conference IN/OUT Terminal	-10dB*, 10 kΩ, unbalanced, RCA pin jack USB Audio Type-B port (for PC) Audio streaming data-in: 11.025/16/22.05/32/44.1/48 kHz sampling frequency (selectable on PC), 16-bit PCM. Audio streaming data-out: 32/44.1/48 kHz sampling frequency (selectable on PC), 16-bit PCM.
Chairman/Delegate Unit Terminal	LINE 1, 2: 8 pin DIN Socket
Number of Connectable Units	Max. 64 units
Conference Unit Setting	MODE Switch: NORMAL / AUTO OFF / TEST MAX MIC UNIT Switch: Number of Delegate Units can be turned on microphone set to 0, 1, 2 or 4
Priority Speech Chime	Operation of Chairman Unit's priority button activates a single-tone chime (with volume control)
Volume Control	MIC volume, AUX volume, VIDEO CONFERENCE volume, SPEAKER volume, Microphone and Monitor speaker of Conference Unit volume, CHIME volume.
LED Indicators	Power (Green) Amplifier: INPUT SIGNAL (Green), PEAK (Red), PROTECT (Red), ERROR (Red) Conference Unit Setting: NORMAL (Green), AUTO MIC OFF (Green), TEST (Red)
Operating Temperature	0 °C to +40 °C (32 °F to 104 °F)
Operating Humidity	90 %RH or less (no condensation)
Finish	Panel: ABS resin, Black Case: Surface-treated Steel plate, Black, Paint
Dimensions	420(W) x 96.1 (H) x 313.1(D) mm
Weight	4.9 kg
Accessory	Power Cord (2 m) x 1 USB Cable (3 m) x 1 Speaker out removable terminal plug (5 mm, 3 pins) x 1
Option	Extension cord: YR-790-3, YR-790-10 Rack mounting bracket: MB-25B