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Put the power where you need it. PowerShare amplifiers deliver outstanding audio performance and reliability with patented technologies inherited from the field-proven Bose Professional 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.
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 Professional 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.
Designed for a wide range of applications, including:
Performing arts venues
Places of worship
Conference centers
Retail stores
Restaurants and bars
Hospitality venues
Channel Separation (Crosstalk)
> 85 dB at 1 kHz, > 65 dB at 20 kHz
Dynamic Range
100 dB at rated power, A-weighted
Frequency Response
20 Hz – 20 kHz (±0.5 dB) at 1 W
Gain, High-Impedance
35 dB, 70V mode / 38 dB, 100V mode
Gain, Low-Impedance
30.2 dB
Maximum Peak Power, Asymmetrical
800 W
Maximum Peak Power, Symmetrical
200 W
Number of Channels
4
Rated Power, Asymmetrical
400 W
Rated Power, Symmetrical
100 W
SNR
100 dB (at rated power, A-weighted)
THD+N
< 0.04% at 1 kHz, 4–8 Ω, 70V/100V
Input Channels
4 balanced, line
Connectors
(1) 12-pin Euroblock
Input Impedance
20 kΩ
Maximum Input Level
20 dBu at 12 dBu sensitivity
Sensitivity
4 dBu low, 12 dBu high
Channels
4 Dante in
(2) RJ-45 Dante in/thru
Type
12-pin Euroblock
(1) 8-pin inverted Euroblock
Colors
Black
Cooling System
Microprocessor controlled, variable speed fans, left to right air flow
Suspension/Mounting
Rack-mounting
Net Weight
14.1 lb (6.4 kg)
Product Dimensions (H×W×D)
1.7 in × 19.0 in × 16.3 in (44 mm × 483 mm × 414 mm)
Rack Spaces
1
Shipping Weight
17.2 lb (7.8 kg)
EMC
This product meets all EN55103-2 immunity requirements for E2 electromagnetic environment.
Current Draw, Idle
0.1 A at 120 VAC, 60 Hz / 0.06 A at 230 VAC, 50 Hz
Current Draw, Inrush
8.0 A at 120 VAC, 60 Hz / 14.1 A at 230 VAC, 50 Hz
Mains Connector
IEC C14 inlet
Mains Voltage
100–240 VAC (±10%), 50/60 Hz
Protections
High temperature, output short circuit, extra high frequency, excessively low/high AC line voltage
AC Power Consumption
14 W standby, 500 W maximum
Computer Interface Connection
RJ-45 (Ethernet, 100 Mbps)
Software Applications
ControlSpace Designer 5.4 or later (Windows)
Controls, Front Panel
(1) power button
Controls, Rear Panel
Output attenuators, mute contact
LED Status Indicators
(1) power/status LED, (4) input signal LEDs, (4) output limit LEDs
A/D and D/A Converters
48 kHz / 24-bit
Audio Latency
< 1 ms, analog input to analog output
Crossover Types
Butterworth, Bessel, or Linkwitz-Riley, up to 48 dB/octave
Delay
50 ms, Outputs 3–4 only
DSP-Enabled
Yes
Equalization
Input EQ: 9-band parametric EQ (±18 dB), notch, shelving, high-pass, low-pass / band-pass crossover / loudspeaker EQ: 9-band parametric EQ (±18 dB), notch, shelving
Limiters
Peak voltage, RMS voltage
Presets
Bose Professional loudspeaker presets
Processing Functions
Input EQ, loudspeaker EQ, peak voltage limiter, RMS voltage limiter, delay, band-pass, matrix mixer, mute/output polarity inversion
5 years
(1) 12-pin Euroblock connector
(1) 2-pin Euroblock connector
(1) 8-pin Euroblock connector
(1) IEC power cord
(1) installation guide
(1) PowerShare PS404D
