PowerShare PS404D - Uncategorized BOSE - Free user manual and instructions
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| Product Type | 4-Channel Power Amplifier |
| Brand | Bose |
| Model | PowerShare PS404D |
| Dimensions (H x W x D) | 3.5 in (2U) x 19 in x 14.8 in (89 mm x 483 mm x 376 mm) |
| Weight | 20 lbs (9.1 kg) |
| Power Supply | 100-240V AC, 50/60 Hz |
| Power Output | 4 x 400W (4Ω), 4 x 200W (8Ω), bridge mode 2 x 800W (8Ω) |
| Inputs | 4 balanced XLR/TRS combo jacks, 2 unbalanced RCA |
| Outputs | 4 speakON connectors (binding posts optional) |
| Frequency Response | 20 Hz - 20 kHz (±0.5 dB) |
| Signal-to-Noise Ratio | >100 dB (A-weighted) |
| Key Features | PowerShare technology for dynamic power distribution, automatic standby, front panel LEDs, remote power control |
| Cooling | Variable-speed fan, airflow from front to rear |
| Protection | Overcurrent, overvoltage, thermal, short circuit |
| Mounting | Rack-mountable (2U), included brackets |
| Safety Certifications | UL, CE, FCC Class B |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Maintenance | Clean with dry cloth; keep ventilation slots clear; no user-serviceable parts inside |
| Spare Parts / Repairability | Contact authorized Bose service center; no user-replaceable parts |
| Warranty | 3 years (limited) |
Frequently Asked Questions - PowerShare PS404D BOSE
What is the power output of the Bose PowerShare PS404D?
The PS404D delivers 4 x 400W at 4Ω, 4 x 200W at 8Ω, or 2 x 800W in bridge mode at 8Ω. PowerShare technology dynamically allocates power across channels.
How do I connect speakers to the PS404D?
Use speakON connectors (or optional binding posts). Ensure impedance is within limits (4Ω minimum per channel, 8Ω in bridge mode). Refer to the manual for wiring diagrams.
Can I use this amplifier in a stereo or bridge configuration?
Yes, the PS404D can be used in stereo (each channel independent), parallel input, or bridge mode. Use the rear panel switches to configure. In bridge mode, use channels 1+2 and 3+4.
How do I reset the amplifier to factory settings?
Press and hold the mute button on the front panel while powering on. Hold for 5 seconds until all LEDs flash, then release. The amplifier will restart with default settings.
What does the PowerShare technology do?
PowerShare dynamically distributes available power across active channels to provide maximum output when needed. For example, if one channel requires more power, it can borrow from idle channels, up to a total of 1600W.
How do I connect audio sources to the PS404D?
Use balanced XLR or TRS cables for channels 1-4. For unbalanced sources, use the RCA inputs. Set the input sensitivity switch on the rear panel to match your source (0 dBu, 6 dBu, or 20 dBu).
Is the amplifier fan noisy?
The variable-speed fan is designed to be quiet under normal operation. It only increases speed during heavy use or high ambient temperatures. Ensure proper ventilation to minimize fan noise.
What protection circuits does the PS404D have?
The amplifier includes overcurrent, overvoltage, thermal, and short circuit protection. If protection is triggered, the output mutes and the Protect LED lights up. Power cycle to reset.
Can I rack-mount this amplifier?
Yes, the PS404D is 2U rack-mountable. Use the included rack ears and support rails. Allow at least 1U above and below for airflow. Do not block the front or rear ventilation.
How do I clean and maintain the PS404D?
Use a soft, dry cloth to clean the exterior. Do not use liquids or solvents. Periodically check that ventilation slots are free of dust. There are no user-serviceable parts inside; contact Bose for service.
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USER MANUAL PowerShare PS404D BOSE
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Product information
Brand : BOSE
Model : PowerShare PS404D
Category : Uncategorized