BOSE / PS404D

The BOSE/PowerShare PS404D is a versatile amplifier that can freely distribute a total of 400W of power across all outputs.

■Rated Output

Amplifier Output: 4 x 100 W (THD+N < 0.04%, 1 kHz, 4?8 Ω, 70/100V)

Maximum Output per Channel: 400 W @ 4?8 Ω, 70/100V

Gain (Low-Z Mode): 30.2 dB

Gain (70V Mode): 35.0 dB

Gain (100V Mode): 38.0 dB

■Audio Performance

Frequency Response 4?8Ω: 20 Hz?20 kHz (+/- 0.5 dB @ 1 W), 70/100V: Same as 4?8 Ω (however, a 50 Hz high-pass filter is applied)

Channel Separation (Crosstalk) > 85 dB @ 1 kHz, > 65 dB @ 20 kHz

Signal-to-Noise Ratio 100 dB (at rated output, A-weighted)

■ Audio Input: Analog / DANTE

Input Channels: Balanced (x4) / Digital (x4)

Analog / DANTE

Connector: Euroblock (12-pin) / RJ-45 (Primary)

Input Impedance: 20kΩ

Maximum Input Level: 20 dBu (at 12 dBu sensitivity setting)

Sensitivity: 4/12 dBu (Low/High Resolution)

■ Audio Output (Analog)

Outputs: 4

Connector: Euroblock (8-pin male)

■ DSP

A/D and D/A Converters: 24-bit / 48 kHz

Processing Functions: Matrix Mixer, Speaker EQ, Real-time 9-band Parametric EQ, Vpeak/Vrms Limiter, Delay, Bandpass,

Mute / Output Polarity Inversion

Audio Latency: <1 ms (Analog input to speaker output)

■ Indicators and Controls

Power LED: Green light: Power on. Green blinking: Standby mode. Orange solid: Temperature abnormality. Red solid: Power abnormality.

Input signal LED: Green: Input signal present. Orange: Input clipping approaching. Red: Input clipping occurring. Red solid: Malfunction.

Output limit LED: Orange: Output limiter activated. Red blinking: Amplifier muted. Red solid: Malfunction.

Controls, Front Panel: Power On/Off

Controls, Rear Panel: Output Attenuator

■ Electrical Specifications

Power Supply Voltage: 100-240VAC (±10%, 50/60Hz)

Power Consumption: 120 VAC: 14W (Standby), 500 W (Max) 230 VAC: 14W (Standby), 500 W (Max)

Power Connector: Standard IEC (C14)

Maximum Inrush Current: 14.14 A (230 VAC/50 Hz), 8.04 A (120 VAC/60 Hz)

Protections: High Temperature, Output Short Circuit, Ultra-High Frequency (EHF), Excessively Low/High Power Supply Voltage

■ Physical Specifications

Dimensions (H x W x D): 44 mm x 483 mm x 414 mm

Packaged Weight: 7.8 kg

Weight: 6.4 kg

Cooling System: Microprocessor controlled, multiple variable-speed fans, left-to-right air cooling

■Other

Input (Control): Mute input control