Black Box Corporation
Black Box Corporation AVSP-HDMI1X4 1x4 HDMI Splitter tv accessory
$237.99
0.00286687BTC
In stock
Acoustic Audio
Acoustic Audio 251B indoor outdoor 3-way speakers 400 W black pair
Weatherproof indoor/outdoor pair delivers 3-way sound with 4" woofers, 2" midranges and .50" tweeters at 99 dB sensitivity and 100 W RMS each
- TypeIndoor/Outdoor Speakers
- Driver Units4" Dome Woofer 0.50" Mylar Tweeter 2" Mylar Midrange
- Frequency Response37 Hz
- Nominal Impedance8 Ohms
- Sensitivity99 dB
- ColorBlack
- Weather-resistant cabinets handle rain and snow
- 3-way driver array covers 37 Hz to 20 kHz
- 99 dB sensitivity produces loud output from modest amps
- 100 W RMS per speaker sustains clean playback
- Included U-brackets simplify wall or ceiling mounting
Indoor/Outdoor 3-Way Pair
The Acoustic Audio 251B is a passive two-speaker set built for indoor and outdoor installation. Each cabinet houses a 4-inch poly woofer, a 2-inch mylar midrange and a 0.50-inch mylar tweeter in a sealed black ABS enclosure. Spring-loaded raw-wire terminals accept standard speaker cable. Mounting brackets and hardware are included for wall or ceiling placement.
Sustained Output and Coverage
Rated at 100 watts RMS and 200 watts peak per speaker, the pair handles continuous programme material without compression when driven by an amplifier delivering between 20 and 300 watts per channel. The 99 dB sensitivity at 8 ohms yields high output levels from modest power, while the 37 Hz low-frequency extension supports full-range reproduction down to the lowest octaves. Weatherproof cabinets resist rain, snow, sun and ice for year-round exposure.
Upgrade From Basic Stereo Pairs
This set replaces single-driver patio speakers or entry-level bookshelf models that lack dedicated midrange clarity and deep bass authority. The three-way topology separates vocal and instrument detail from low-frequency impact, making the jump worthwhile for whole-house audio, home-theatre surrounds or commercial background systems where consistent coverage matters. Buyers needing wireless streaming or powered convenience should look elsewhere.
Highlights
- Weather-resistant cabinets handle rain and snow
- 3-way driver array covers 37 Hz to 20 kHz
- 99 dB sensitivity produces loud output from modest amps
- 100 W RMS per speaker sustains clean playback
- Included U-brackets simplify wall or ceiling mounting
Specifications
| Brand | Acoustic Audio |
|---|---|
| Model | 251B |
| Type | Indoor/Outdoor Speakers |
| Driver Units | 4" Dome Woofer 0.50" Mylar Tweeter 2" Mylar Midrange |
| Frequency Response | 37 Hz |
| Nominal Impedance | 8 Ohms |
| Sensitivity | 99 dB |
| Color | Black |
| Features | 200 Watts Peak Power Handling (Each) / 100 Watts RMS Power Handling (Each)|3-Way Design and Functionality|4” Poly Dynamic Cone Woofer|2” Mylar Dome Midrange|1/2" Mylar Dome Tweeter |
Questions about this item
How much heat or noise does the 251B produce when running all day?
These are passive speakers with no internal amplifier, so they generate no heat or fan noise regardless of how long they play.
What must I already own to drive the 251B speakers?
You need an amplifier or receiver with raw speaker-wire outputs capable of 20 to 300 watts per channel at 8 ohms, plus CL3 or raw speaker cable.
Will the 251B work alongside my older 8-ohm bookshelf speakers in a multi-room setup?
Yes, the 251B presents an 8-ohm nominal load and 99 dB sensitivity, so it matches the impedance and plays at a similar volume level to other 8-ohm speakers driven by the same amplifier.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
PANORAMA ANTENNAS, INC.
PANORAMA ANTENNAS LG-IN2444 5-in-1 Dome Antenna for Cradlepoint IBR1700
$230.99
0.00278254BTC
In stock