| Mains voltage | 
            115V to 230V AC 50 to 60 Hz, ±10% | 
        
        
            | Battery capacity and type | 
            Valve-regulated lead-acid battery: 65Ah min. (factory default configuration),105Ah,150Ah max. | 
        
        
            | Battery operating voltage range | 
            21.5V DC to 28.5V DC | 
        
        
            | Battery charger current limit | 
            Configurable by battery capacity, 10A max | 
        
        
            | Battery source impedance | 
            0.10 Ω max. | 
        
        
            | Battery charger start-up | 
            15V DC min. battery voltage | 
        
        
            | Battery under voltage cut-off protection | 
            20V DC | 
        
        
            | Battery charger temperature compensation factor | 
            24mV/ºC, 36mV/°C (factory default), 48mV/°C | 
        
        
            | Operation modes | 
            Channel Enable/Channel Disable/Power Saving Mode | 
        
        
            | Output power EN54-16 (mains powered) | 
            Single channel max. 500W/100V (350W/70V or 125W/25V) | 
        
        
            | Output power EN54-16 (battery powered) | 
            Single channel max. 500W/100V (350W/70V or 125W/25V) | 
        
        
            | Output voltage | 
            100V (factory default configuration), 70V or 25V at 0 dBu input | 
        
        
            | Distortion at -3dB below rated power (resistive load) | 
            < 0,06% THD at 1 kHz sine wave | 
        
        
            | Signal to noise ratio at rated power | 
            87 dB (A - weighted) | 
        
        
            | Channels separation | 
            >70 dB | 
        
        
            | Frequency response at the rated power | 
            20 Hz < -1.0 dB; 22 kHz < - 2.0 dB | 
        
        
            | Input impedance (balanced) | 
            >20 kΩ | 
        
        
            | Input clipping | 
            = +20 dBu | 
        
        
            | Technology | 
            Class D Direct Drive | 
        
        
            | Efficiency at a maximum load | 
            ≥ 77 % typical (Mains powered) | 
        
        
            | External DC power output | 
            24V DC (18V DC to 28.5V DC) / 3A max. electronically protected against overload or short-circuit | 
        
        
            | Ambient temperature | 
            -5 °C to +55 °C | 
        
        
            | Storage temperature | 
            -10 °C to +55 °C | 
        
        
            | Relative humidity | 
            Up to 93 % (non-condensing) | 
        
        
            | Air flow direction | 
            From rear to front of the amplifier unit | 
        
        
            | Housing | 
            Metal | 
        
        
            | Color | 
            RAL 810-M (Enclosure) | 
        
        
            | Weight | 
            12.0 Kg | 
        
        
            | Dimensions (w x h x d) | 
            441 x 88 x 401 mm (2 HU) | 
        
        
            | Approval | 
            EN 54-16 and EN54-4 (Battery charger) |