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Infinity ERS 310 In-wall/in-ceiling speaker

Item # 108ERS310

No room for speakers? No problem.

No room for speakers? No problem.

Item # 108ERS310

Shop all Infinity In-ceiling Speakers

About the Infinity ERS 310

Tom Mathew
No room for speakers? No problem. You can install the ERS 310 speaker, sold individually, directly in your wall or ceiling. It features a flush-mount design and paintable grille, so it will disappear into your room without taking up an inch of floor space. And the speaker's large drivers and advanced technologies ensure rich, room-filling sound.

No room for speakers? No problem. You can install the ERS 310 speaker, sold individually, directly in your wall or ceiling. It features a flush-mount design and paintable grille, so it will disappear into your room without taking up an inch of floor space. And the speaker's large drivers and advanced technologies ensure rich, room-filling sound.

The ERS 310 sports a 8" woofer and 1" tweeter, both made of an exclusive Infinity driver material known as C.M.M.D.™. Stiff yet responsive, C.M.M.D. offers warm, resonance-free performance across the entire audio spectrum. It's the same material used on Infinity's flagship Prelude™ loudspeakers, costing thousands of dollars a pair. Plus, the ERS 310 includes a proprietary waveguide design that helps disperse sound evenly throughout your room.

This speaker's circular design makes it a popular choice for ceiling placement, but it's great for in-wall use, too. This stealth speaker is ideal for clutter-free multi-room audio, and also does a great job in an invisible home theater setup. Piece together your own voice-matched in-wall speaker system using Infinity's high-performance ERS speaker line.

The ERS 310 is designed for easy installation. It features mounting clamps that swing out and securely grip your ceiling from the inside. An optional in-ceiling bracket is recommended for installing this speaker in a new home under construction (or in a room that's undergoing major renovation).

Got wire?
Most speakers don't include any. Learn more about in-wall wiring at the Crutchfield Learning Center.
Shop our selection of in-wall speaker wire.


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Product highlights:

  • sold individually
  • 1" C.M.M.D. tweeter
  • 8" C.M.M.D. woofer
  • handles up to 135 watts
  • frequency response 45-22,000 Hz (±3dB)
  • sensitivity 89 dB
  • 8-ohm impedance
  • acoustical waveguide for wide sound dispersion
  • paintable speaker grille
  • cutout dimensions: 9-9/16" diameter
  • mounting depth: 4-3/8"
  • warranty: 5 years
  • MFR # ERS 310

What's in the box:

  • 1 White in-ceiling speaker
  • 1 White grille
  • 1 Plastic paint shield
  • Cardboard mounting cutout template
  • Infinity Logo Sticker
  • Owner's Guide
  • Warranty information

Customer reviews for Infinity ERS 310

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3.5 out of 5 stars
2 reviews

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More details on the Infinity ERS 310

Stacey B.

Features & specs

Features
Quantity in Package Single
Tweeter Dome
Aimable Tweeter No
Woofer Composition C.M.M.D.
Woofer Surround Rubber
Connector Type Spring Clip
Bi-Amp Inputs No
Built-in Back-box No
Moisture Resistance
Indoor (Moisture-resistant) No
Outdoor (Partial Exposure) No
Outdoor (Full Exposure) No
Specs
Tweeter Size 1
Midrange Size ---
Speaker Shape 9.538
Woofer Size 8
Cutout Width ---
Cutout Height ---
Mounting Depth 4.333
Power Range (Watts) up to 135
Sensitivity 89 dB
Impedance (Ohms) 8
Frequency Response 45-22kHz
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research

Features
Mounting Options

Features

Ceramic Metal Matrix Diaphragm (C.M.M.D.): Infinity's C.M.M.D. technology delivers accurate performance with dramatically reduced distortion for incredibly lifelike sound. Additionally, the C.M.M.D. drivers can withstand extreme temperatures, moisture, humidity and sunlight.

Woofer: The 8" C.M.M.D. cone woofer virtually eliminates coloration due to cone flexing, resulting in less distortion and superior accuracy. For a smoother response and improved durability, the woofer uses a rubber surround.

Tweeter: The speaker has a 1" C.M.M.D. dome tweeter that offers superior stiffness and damping compared to traditional metal domes.

Waveguide Design: The ERS310 incorporates a proprietary waveguide design to ensure smooth distribution of sound throughout the listening area.

Mounting Options

Installation: The round shape and flush-design allow the ERS310 to mimic the look of a recessed lighting fixture. This speaker requires a cutout of 9.538", with a depth of 4.333" (including the thickness of the drywall). Once the hole is cut, the speaker can be dropped in and the locking tabs can be tightened, allowing you to secure the speaker to the drywall without any extra assembly.

Note: For new construction, you will need to purchase the optional rough-in-frame kit (item 108IW8RRIF).

Paintable: The grille and flange can be painted, allowing this speaker to match any decor.

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