AURA-4B900 -4x 900W Low Impedance / 100V Installation Amplifier

Channels

Number of output channels: 4 Output connection type: 2-pin Euroblock.  Pitch: 762mm Number of input channels: 4 Input connection type: 3-pin Euroblock balanced pitch 35mm Input configuration: Input link to CH1 selector per input

Output Power - All Channels Driven @1Khz @Cf9Db @ 1%Thd

Max output power @ 8Ω: 450W Max output power @ 4Ω: 900W Max output power @ 2Ω: 1000W Max output power @ 4Ω bridge mode: 2000W Max output power @ 8Ω bridge mode: 1600W Max output power @ 100V: 900W Max output power @ 70V: 900W

Output Power - Single Channel Driven @1Khz @Cf9Db @ 1%Thd

Max output power @ 8Ω: 450W Max output power @ 4Ω: 900W Max output power @ 2Ω: 1200W Max output power @ 4Ω bridge mode: 2000W Max output power @ 8Ω bridge mode: 1600W Max output power @ 100V: 900W Max output power @ 70V: 900W

Signal

Voltage gain: 34dB Input sensitivity: 0 dBV221 dBu1 Vrms Input impedance: 20kΩ balanced Max input level: +18dBV2021 dBu Frequency response: 15Hz - 30kHz THD + Noise: 70dB CMRR: > 55 Typ Damping factor: >150

Electrical

Power supply: Universal regulated SMPS with PFC AC mains requirement: 100-240V @ 50-60Hz (±10%) Power factor correction: > 095 AC mains connector: IEC C14 inlet

Power & Heat @230Vac - 1/4 Power @ 4Ω (All Channels Driven)

Power: 1129W1189 VA Current Draw: 537 Arms Thermal Loss: 1969 kcal/h7816 BTU/h

Power & Heat @230Vac - 1/8 Power @ 4Ω (All Channels Driven)

Power: 6376W689 VA Current Draw: 305 Arms Thermal Loss: 1613 kcal/h6403 BTU/h

Power & Heat @230Vac - Idle

Power: 974W161 VA Current Draw: 069 Arms Thermal Loss: 838 kcal/h3324 BTU/h

Power & Heat @230Vac - Standby/Sleep Mode

Power: 23W809 VA Current Draw: 035 Arms Thermal Loss: 201 kcal/h78 BTU/h

Power & Heat @120Vac - 1/4 Power @ 4Ω (All Channels Driven)

Power: 111401W1129 VA Current Draw: 10.17 Arms Thermal Loss: 18401kcal/h7304 BTU/h

Power & Heat @120Vac - 1/8 Power @ 4Ω (All Channels Driven)

Power: 6573W671 VA Current Draw: 595 Arms Thermal Loss: 1783 kcal/h

Power & Heat @120Vac - Idle

Power: 1007W117 VA Current Draw: 103 Arms Thermal Loss: 866 kcal/h3437 BTU/h

Power & Heat @120Vac - Standby/Sleep Mode

Power: 15W2401 VA Current Draw: 02 Arms Thermal Loss: 12 kcal/h49 BTU/h

Technologies

Amplification technology: Class DTransformer isolated output Energy saving: Auto standby function selectable Efficiency: 80% Cooling: 2 fans Maximum fan noise: 57 dBA

Protections

DC protection: Yes HF protection: Yes Short-circuit protection: Yes Clip limiter: Yes Thermal protection: Yes

Local Control

Attenuators: Front panel knobs per channelVOL (default)/BYPASS option Output mode settings: Back panel Dipswitch by pairs of channelsDUAL/BRIDGELoZ/70V/100V RUN/SLEEP mode: Auto standby functionFront panel button Power ON/OFF: Front panel switch

Monitoring

Signal Present: SIGNAL LED (Green) per channel Cliping: CLIP LED (Red) per channel Protect: PROT LED (Red) by pairs of channels Standby: AUTO STANDBY ON/OFF LED (Green) per unit Standby / Mute: AUTO STANDBY (Orange) by pairs of channels Thermal: TH LED (Orange) by pairs of channels On: ON LED (Green) per unit Link: LINK LED (White) per channel

Physical

Operating temperature: Min:-10⁰ ; 14⁰ CMax: 50⁰ ; 122⁰ F Operating humidity: 5 - 85% RH non-condensing Storage temperature: Min:-10⁰ ; 14⁰ CMax: 50⁰ ; 122⁰ F Storage humidity: 5 - 85% RH non-condensing Dimensions: 484 x 44 x 411.6mm / 19 x 173 x 16.20 in.  (WxHxD) Weight: 7.7kg / 16.98 lb Shipping dimensions: 590 x 80 x 590mm / 23.23 x 3.15 x 23.23 in.  (WxHxD) Shipping weight: 10.5kg / 23.15 lb