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Bose PowerShare 404D Adaptable Power Amplifier

  • Dale #:

    BOSE-8133751310
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Description

Put the power where you need it. PowerShare amplifiers deliver outstanding audio performance and reliability with patented technologies inherited from the field-proven PowerMatch line — now with added flexibility. Using innovative PowerShare technology, the amp shares power across all output chan... Read More

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Description

Put the power where you need it. PowerShare amplifiers deliver outstanding audio performance and reliability with patented technologies inherited from the field-proven PowerMatch line — now with added flexibility. Using innovative PowerShare technology, the amp shares power across all output channels and delivers 400 watts for installed applications. This means you can distribute the total 400 watts asymmetrically across all outputs or use any individual output to deliver full power. And with support for both low- and high-impedance loads up to 100V, it’s easy to adapt PowerShare amplifiers to a wide range of applications. ControlSpace Designer software allows for Ethernet-based configuration and quick setup of external control options. With onboard Dante® audio networking, you have the flexibility to place PowerShare amplifiers away from source locations and closer to loudspeakers. This unique set of features and technologies makes PowerShare one of the most versatile, high-performance amplifiers available today.

Features:

  • PowerShare Technology
    Distribute the total 400 watts asymmetrically across all outputs using patented PowerShare technology, which allows each output to deliver full power. Instead of selecting amplifier power based on the needs of the largest zone, you now have the freedom to use total amplifier power in any application. This enables more flexibility during the initial design, or later on-site when making unplanned changes that take advantage of surplus power.
  • Load-independent Outputs
    Configure any channel for low-impedance (4-8 Ω) or high-impedance (70/100V) applications without bridging or using jumpers.
  • Integrated Dante Audio Networking
    Support four audio input channels from a Dante network and mix onboard analog inputs with digital Dante inputs as selected in ControlSpace Designer software.
  • Dual Feedback Loop System
    Improve performance and reliability. The Dual Feedback Loop system, inherited from the field-proven Bose PowerMatch amplifier line, allows for continuous monitoring and control of both the current and voltage delivered to each output load. This combination provides improved linearity and lower distortion while protecting loudspeakers.
  • ControlSpace Networking
    Configure using ControlSpace Designer software for inclusion into larger networked audio systems where end-user controllers and scheduling events can control amplifier parameters.
  • Integrated Loudspeaker Processing
    Adjust various parameters using ControlSpace Designer software: nine-band PEQs, matrix mixing, crossover, limiters, delay, mute/output polarity, and more.
  • Auto-standby
    Save power — PowerShare amplifiers can be configured to automatically enter standby mode when the audio signal falls below a set threshold, then wake when audio returns.

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Product Specs

POWER RATING  
Amplifier Power 4 x 100 W (THD+N < 0.04%, 1 kHz, 4-8 Ω, 70/100V)
Maximum Power 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 4-8 Ω: 20 Hz – 20 kHz (+/- 0.5 dB @ 1 W); 70/100V: Same as 4-8 Ω with 50 Hz high-pass filter
Channel Separation (Crosstalk) > 85 dB @ 1 kHz, > 65 dB @ 20 kHz
Signal to Noise Ratio 100 dB (at rated power, A-weighted)
AUDIO INPUTS  
ANALOG Input Channels 4 balanced
Connectors 12-pin Euroblock
Input Impedance 20 kΩ
Maximum Input Level 20 dBu (at 12 dBu sensitivity setting)
Sensitivity 4 / 12 dBu (low / high sensitivity)
DANTE Input Channels 4 digital
Connectors RJ-45 (primary)
AUDIO OUTPUTS  
ANALOG Outputs 4
Connectors 8-pin inverted Euroblock
INTEGRATED DSP  
A/D and D/A Converters 24-bit / 48 kHz
Processing Functions Matrix mixer, loudspeaker EQ, real-time 9-band PEQ, Vpeak/Vrms limiters, delay, band pass, mute/output polarity inversion
Audio Latency < 1 ms (Analog input to analog loudspeaker output)
INDICATORS AND CONTROLS  
Power LED Solid green: Power is on. Blinking green: Unit is in standby mode. Solid amber: Thermal fault. Solid red: Supply fault.
Input Signal LED Green: Signal present. Amber: Input is near clipping. Red: Input is clipping. Solid red: Indicates a fault.
Output Limit LED Amber: Amplifier limiting an output. Blinking red: Amplifier muted. Solid red: Indicates a fault.
Controls, Front Panel Power On/Off
Controls, Rear Panel Output attenuators
ELECTRICAL  
Mains Voltage 100 VAC – 240 VAC (±10%, 50/60 Hz)
AC Power Consumption 120 VAC: 14 W (Standby), 500 W (Max) 230 VAC: 14 W (Standby), 500 W (Max)
Mains 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, extra high frequency (EHF), excessively low or high AC line voltage
PHYSICAL  
Dimensions (H x W x D) 44 mm x 483 mm x 414 mm (1.7 in x 19.0 in x 16.3 in)
Shipping Weight 7.8 kg (17.2 lb)
Net Weight 6.4 kg (14.1 lb)
Cooling System Microprocessor controlled, variable speed fans, left to right air flow
GENERAL  
Inputs (Control) Mute input control

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