Boston Acoustics RK8T2G

Stereo-input outdoor rock speaker (Granite)

  • Boston Acoustics RK8T2G

    Granite (front)

  • Boston Acoustics RK8T2G

    Granite (back)

  • Boston Acoustics RK8T2G

    River Rock (back)

  • Boston Acoustics RK8T2G

    River Rock (front)

  • Boston Acoustics RK8T2G

    Sandstone (back)

  • Boston Acoustics RK8T2G

    Sandstone (front)

Item #: 065RK8T2G
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Our take on the Boston Acoustics RK8T2G

by Loren Barstow
Boston Acoustics

Outdoor speakers let you move the party outside

Outdoor speakers are built tough -- they laugh at wind, rain and weather. Tuck a pair under your eaves and they'll pump out the tunes to keep everybody smiling and swaying at your next cookout or pool party. We also have some "rock" speakers that blend seamlessly into your landscaped lawn or garden.

The Boston Acoustics RK8T2 gives you full, detailed sound in an enclosure designed for the great outdoors. This weatherproof rock speaker is made specifically to overcome the acoustic challenges of being outside, while blending in seamlessly with the surrounding environment. And it has inputs for both left and right channels, so you can get stereo sound from just one speaker.

Engineered for great sound
The RK8T2's woofer features a stepped basket that brings it close to the grille for smooth, natural response, unlike the woofers in some other rock speakers. Its dual tweeters are angled upwards by 20 degrees, so you'll get crisp highs when you place the speaker at ground level. The angled tweeters also enhance dispersion to create good stereo separation. You'll enjoy exceptional sound on your patio, in your garden, or around your pool.

Read more

Rugged weatherproof construction
All components of the RK8T2 are manufactured from high-tech materials extensively tested for durability. The UV-protected enclosure, grilles, and drivers stand up to weather and temperature extremes, so you won't need to worry about leaving this solidly built speaker exposed to the elements.

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.


  • sold individually
  • single stereo-input speaker
  • acoustic suspension design
  • frequency response 50-20,000 Hz (±3dB)
  • handles up to 200 watts
  • sensitivity 89 dB
  • 8-ohm impedance per channel
  • dual 1" dome tweeters
  • 8" woofer
  • weatherproof enclosure
  • rust-proof grilles
  • 2-foot pre-attached burial-rated speaker cable
  • 18-1/2"W x 14-13/16"H x 13-7/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Enclosure Acoustic Suspension
Tweeter Type Dome
Midrange Size ---
Woofer Size 8
Woofer Composition Mica-filled copoly
Woofer Surround Butyl rubber
Power Range (watts) 20-200
Sensitivity 89 dB
Impedance (ohms) 8
Frequency Response 50-20k Hz
Connector Type Bare wire
Height (inches) 14-13/16
Width (inches) 18-1/2
Depth (inches) 13-7/16
Weight (pounds) 16
Mounting Bracket Included No
Parts Warranty 5 Years
Labor Warranty 5 Years
Product Research
What's in the box?

Download owner's manual

  • New England Granite speaker with 24" attached speaker wire
  • 4 Orange water resistant wire nuts
  • Owner's manual

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Overview: The Boston Acoustics Voyager RK8T2 is a two-way acoustic suspension loudspeaker with two tweeters, a single 8" woofer, and stereo input. The cabinet is styled to look like a rock and designed and built to withstand the environmental stresses placed on an outdoor loudspeaker. The speaker is "voiced" for outdoor use, they sound best in an open air environment. They also sonically match the other speakers in the Voyager series.

Driver Technology
Enclosure Design
Mounting Options

Driver Technology

Driver Placement: Both tweeters and the woofer are angled up 20°, aimed at the listener and not at the ground, to bring the sound up to ear level.

Woofer: The RK8T2 uses an 8" dual voice coil woofer with a mica-filled copolymer cone and butyl rubber surround. The dual voice coil accommodates a stereo input. The basket sets the driver forward to prevent any tunnel effect and maintain a natural midrange sound.

Tweeters: The RK8T2 uses two 1" soft dome tweeters for a stereo output from the single speaker.

Enclosure Design

Styling: The RK8T2's enclosure is styled to look like a rock and blend into your outdoor decor. This New England Granite model is light gray with jagged edges. The speaker grilles are designed to blend into the cabinet.

Finish: The cabinet construction has three layers; a fiber weave material sandwiched between two poly fiberglass resin layers. Each speaker is matched to actual rocks and hand finished in a multi step process. First a base color is applied, then multicolor accents are added to match actual rocks. A series of brush's are used to add shading to both the cabinet and the grille. As a result, each speaker will have variations in color and size.

Weatherproof: The cabinet, grilles, and drivers are weather and rust proof. They are also UV protected and will stand up to outdoor temperature extremes.


Speaker Cable Connection: The RK8T2 has a two-foot cable attached, rated for burial underground. Wire nuts filled with a waterproof sealant are also included.

Wiring Requirements: Direct burial cable is recommended, 14 gauge up to 50 feet and 12 gauge over 50 feet.

Power Rating: An amplifier rated between 20 and 200 watts is recommended to power the RK8T2.

Mounting Options

Transformer: There are internal mounting posts for an optional 70/100 volt transformer for use in commercial applications or when a long wire run is necessary. (transformer available from Boston Acoustics)

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For a more in-depth review and enhanced detailed information on the Boston Acoustics RK8T2G, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_065RK8T2G/Boston-Acoustics-RK8T2G-Granite.html ).