Features: Two microphone inputs, two auxiliary inputs and two AUX out for line. Transformer isolated 240V, 110V, 70V and 4-16 Ohms speaker outputs. Muting function. Individual volume control and master volume control. Low and high tone control Output circuit shorting protection alarm. Chime output.Frontpanel: Power switch. Power indicator LED LED level meter Clip Z1 switch Z2 switch Z3 switch Z4 switch Master volume control Treble control Bass control AUX 2 volume control AUX 1 volume control MIC 2 volume control MIC 1 volume control MIC 2 input jack MIC 1 input jack Chime restChime:To further enhance the system a chime facility can be added as an option, the chime output can be activated by any input.Jellemzõk:Model: VPA-60 VPA-150 VPA-250Output: 60W 150W 250W Output regulation: Less than 3 dB, no load to full loadSpeaker output: Balanced 4-16 Ohm, 70V, 110V, 240VAUX output: 600 Ohm 1V (0 dBV)Inputs: Mic 1,2/600 Ohm, 2.0 mV (-54 dBV), unbalanced AUX 1,2/10 kilo-Ohm, 250 mV (-10 dBV), unbalanced Freq. response 100 Hz-16 kHzDistortion: Less than 0.1% at 1 kHz, 1/3 rated powerSignal to noise ratio: Microphone 1,2 66 dB AUX 1,2 70 dBTone: Bass: +- 10 dB at 100 Hz Treble: + -10 dB at 10 HzProtection: AC fuse DC voltage, overload and short circuit.Muting function: Mic 1 overrides, other input signals with 0~-30 dB attenuation.Power Requirements: AC 220~240V/50~60 HzPower Consumption: 100W 200W 320W Dimensions: 483 x 400 x 89 mmGross Weight: 16 kg 20 kg 24 kg