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Monitor Audio SB-4

Passive 3-channel home theater sound bar

Item # 893SB4B

This ultra-wide three-channel speaker delivers big sound for your big TV.

This ultra-wide three-channel speaker delivers big sound for your big TV.

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Item # 893SB4B

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$1,049.99

About the Monitor Audio SB-4

Monitor Audio quality for your front soundstage

The SB-4 may look like an oversized version of a regular sound bar, but this passive speaker is engineered with Monitor Audio's premium cabinet and driver technologies for truly high-performance home theater. The high-density MDF cabinet is internally braced, creating a rigid, low-resonance enclosure. 

Monitor Audio quality for your front soundstage

The SB-4 may look like an oversized version of a regular sound bar, but this passive speaker is engineered with Monitor Audio's premium cabinet and driver technologies for truly high-performance home theater. The high-density MDF cabinet is internally braced, creating a rigid, low-resonance enclosure. 

Inside you'll find 4" woofer cones and 1" dome tweeters that are made of C-CAM — a high-tech ceramic-coated aluminum/magnesium alloy. This exceptionally stiff, lightweight material allows the drivers to respond swiftly and precisely to the audio signal for greater accuracy. The tweeters also get an anodized coating of gold that helps ensure smooth, extended highs.

The bar has three separate driver arrays. The left and right channels each include a single tweeter, dual mid/bass drivers, and an ABR (Auxiliary Bass Radiator). The center channel has the same, but with an extra ABR. The racetrack-style ABRs supplement the mid/bass drivers to provide additional bass punch and power handling.

Monitor Audio SB-4

Monitor Audio's SB-4 has integrated silicon feet for secure cabinet-top placement.

Designed with larger screens in mind

The SB-4 is huge — over 5 feet wide, in fact, so it's a great match for screens that are 70 inches and larger. As the TV or movie action pans from side to side, the sound will follow it smoothly.

And with a wraparound grille cloth and brushed aluminum endcaps, the bar will look great whether it's placed on your entertainment center or mounted on your wall (bracket sold separately). 

Make sure you have what you need

Most sound bars that we offer are completely self-contained, self-powered speaker systems. But the SB-4 needs a separate home theater receiver for power and TV connections. In addition to a receiver, you might consider getting a powered subwoofer to fill out the low end, especially in larger rooms.

You'll also need speaker wire. Check out our shopping guide to learn more.

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Product highlights:

  • includes separate left, center, and right channels in a single sound bar speaker design
  • non-powered — connects to your home theater receiver's front three channels
  • designed for TV screen sizes 70" and larger
  • frequency response 70-30,000 Hz (±3dB)
  • sensitivity: 87 dB
  • impedance: 8 ohms
  • three 1" C-CAM gold dome tweeters for detailed sound and extended high-frequency response (one per channel)
  • six 4" C-CAM mid/bass drivers for clear midrange and punchy bass (two per channel)
  • four Auxiliary Bass Radiators
    • one each in left and right channels
    • two in center channel
  • integrated silicon feet for cabinet-top placement
  • designed to fit SANUS TV mounting systems
  • optional wall-mount bracket sold separately
  • 3 sets of gold-plated binding post speaker terminals (one set per channel)
  • 61-1/2"W x 5-13/16"H x 3-5/8"D
  • weight: 26.44 lbs.
  • warranty: lifetime
  • Our 60-day money-back guarantee
  • MFR # SB-4B

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More details on the Monitor Audio SB-4

Stacey B.

Features & specs

General
Enclosure Passive Radiator
Design Bar
Pieces in System 1
Color Black/Silver
Tweeter 1" Dome (3)
Midrange None
Woofer 4" Cone (6)
Separate Subwoofer No
Subwoofer Driver ---
Features
Surround Sound Decoding No
Dolby Atmos
DTS:X No
Dialogue Enhancement No
Auto Volume No
4K Video Compatible No
HDR Video Compatible N/A
Audio Return Channel N/A
Remote IR Passthrough No
Works with TV Remote (IR) N/A
Voice Control No
Apple AirPlay N
Control by App N
Bluetooth Connectivity No
Wi-Fi No
Wall-mountable ---
Mounting Bracket Included Optional
Surface Mount Stand Included No
Speaker Parts Warranty Lifetime
Speaker Labor Warranty Lifetime
Amplifier Parts Warranty N/A
Amplifier Labor Warranty N/A
Specifications
System Frequency Response 70-30k Hz
Powered System No
Sound Bar RMS Power ---
Subwoofer RMS Power ---
Inputs and Outputs
Mini Stereo Audio Inputs None
RCA Stereo Audio Inputs None
Optical Digital Audio Inputs None
Coaxial Digital Audio Inputs None
HDMI Inputs None
HDMI Outputs None
USB Port No
Subwoofer Output 0
Dimensions
Sound Bar (inches) 5-13/16H x 61-1/2W x 3-5/8D
Sound Bar Weight 26.44 lbs
Subwoofer (inches) ---
Subwoofer Weight Not Given

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