About the AtlasIED B51-4
An all-purpose in-ceiling loudspeaker
An all-purpose in-ceiling loudspeaker
The Atlas B51-4 loudspeaker is a great all-purpose choice for your business establishment. Use the built-in transformer tap to power multiple speakers with a commercial amplifier, and you can offer pleasant background music and clear voice announcements throughout your space. Each speaker includes a white powder-coated baffle, so it will blend easily into your decor.
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Product highlights:
- 4" full-range driver
- white powder-coated baffle included
- frequency response: 150-17,000 Hz (±5dB)
- 94 dB sensitivity
- 135° distribution pattern
- built-in 25/70V transformer with power taps: .25, .5, 1, 2, and 4 watts
- 2-1/4" mounting depth
- weight: 2.83 lbs.
- warranty: 5 years
- Our 60-day money-back guarantee
- MFR # B51-4
What's in the box:
- One 4" Speaker
- Transformer
- Grill
- Mounting screws
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More details on the AtlasIED B51-4
Features & specs
| General | ||
|---|---|---|
| Drivers per speaker | 1 | |
| Woofer Size (inches) | N/A | |
| Tweeter Size (inches) | N/A | |
| System Frequency response | 150-17,000 | |
| Maximum SPL | N/A | |
| Power Handling | ||
| Power rating | 10 Watts | |
| Peak Power rating | --- | |
| Specs | ||
| Width (inches) | 4 | |
| Height (inches) | --- | |
| Depth (inches) | 2-1/4 | |
| Weight | 2.83 lbs | |
Product Research
Features
Overview: The Atlas B51-4 is a 4", 25/70 volt in-ceiling speaker featuring the popular Atlas FC104 high performance driver. The speaker provides wide-angle sound dispersion allowing fewer speakers to be needed in a distributed system and is ideal for commercial paging and background music applications in offices, reception areas, waiting rooms and many other applications. It features a 10 ounce ceramic magnet and a damped, high-compliance cone that provides excellent low frequency reproduction with a smooth extended response. The B51-4 is UL 1480 rated, for general signaling, and UL2043 rated, for use in plenum spaces and comes ready to install with an included grill, transformer, and mounting screws.
25/70 Volt: The B51-4 can be used in either 25 volt or 70.7 volt systems. Tap settings for 70 volt include: 0.25 W, 0.5 W, 1 W, 2 W, and 4 W. An included pigtail of multi-colored wires is used to access each tap setting.
Specifications:
- Speaker Size: 4"
- Sensitivity: 94 dB (1W/1M)
- Power Rating: 10 W program
- Frequency Response: 150 Hz - 17 kHz
- Dispersion: 135˚/-6 db, 2 kHz octave band
- Dimensions: Diameter - 4.0", Depth - 2.250"
- Shipping Weight: 2.83 lbs.
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