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MartinLogan - Motion XT Series CI, Retro-Fit Backbox Enclosure for XTC8-HT - Black/Silver

Model: C8HTBXR
SKU: 6457002

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Specifications
  • Speaker Type
    In-Ceiling
  • Key Specs
    • Speaker Type: In-Ceiling
  • General
    • Brand: MartinLogan
    • Model Number: C8HTBXR
    • Product Name: Motion XT Series CI, Retro-Fit Backbox Enclosure for XTC8-HT
    • Color: Black/Silver
  • Audio
    • Speaker Type: In-Ceiling
    • Number of Speakers: 1
  • Connectivity
    • Speaker Connectivity: Wired
    • Wireless Multi-Room Audio: false (Technology that allows multiple speakers and/or soundbars to be connected wirelessly and play audio in separate rooms.)
    • Audio Only Inputs: No audio only inputs
    • Network Connector(s): No network connectors
    • Speaker Wire Connection Type: No speaker connections
  • Features
    • Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
  • Dimensions
    • Product Height: 11.39 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 11.39 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 5.69 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 1.9 pounds (The out of box weight of the item.)
    • Mounting Dimensions: 9.25 Cut out diameter
  • Warranty
    • Warranty - Parts: 1 year
    • Warranty - Labor: 1 year
  • Other
    • UPC: 810123025725

One of the benefits of in-ceiling speakers is how easily they disappear into a room. Unfortunately, the sound coming from the back of the speaker doesn’t disappear and can distract those in the rooms above the speakers. MartinLogan offers back boxes, or enclosures, for Motion XT CI In-ceiling speakers. For these situations where sound control is desired, these retrofittable back boxes are the perfect solution. They offer 20dB of noise reduction into adjacent areas and offer the perfect solution to achieve consistent performance where ceiling cavity sizes may vary throughout an installation. Please note that the volume of air in the retrofit enclosure is smaller than that of your ceiling, and bass extension will be reduced. If sound control is not necessary for your unique installation, we recommend not using the back box so the speaker can take advantage of the larger airspace in your ceiling cavity.

  • Model Compatibility: The C8HTBXR is compatible only with MartinLogan's XTC8-HT speaker.
Whats Included
  • Instruction Sheet
  • Screws

Q: Does this back box enclosure have any wireless capabilities?

A: No, this back box enclosure does not have wireless capabilities.

Q: Is the C8HTBXR back box compatible with other MartinLogan speakers?

A: No, the C8HTBXR back box is specifically designed for the MartinLogan XTC8-HT speaker model.

Q: How do the back boxes affect the speaker's bass response?

A: Using the back boxes will reduce bass extension due to the smaller volume of air compared to an open ceiling cavity.

Q: What is the diameter of the cutout required for installing this back box?

A: The required cutout diameter for installation is 9.25 inches.

Q: What is the purpose of the back boxes for these speakers?

A: The back boxes are designed to reduce noise transfer to adjacent rooms, offering 20dB of noise reduction.

Q: I see it has terminals so what size woofer fits this enclosure. And could it be used for other applications other than ceiling mount.

A: Hello. Thank you for your question, and we apologize that your question was missed. We had some issues receiving these but believe that is now fixed. It is designed as a back box to fit our XTC8HT speaker. The terminals are attached because the back can seals the back of the speaker, which is normally open, so there must be a way to connect speaker wire. Normally the speakers binding posts are easily accessible, but when the back can is attached, they are now covered. The accessory is not meant to be a universal option but specifically for the C8-HT models. We hope this helps, and thank you for your interest in our products. We hope you have a wonderful day and thank you for your support.

Q: What is this?

A: Hello. Thank you for your question, and we hope all is well. This is a backbox enclosure for the MartinLogan XTC8-HT speaker. Its use is to help prevent sound from coming from the back of the speaker that can distract those in the rooms above the speakers. They offer 20dB of noise reduction into adjacent areas and offer the perfect solution to achieve consistent performance where ceiling cavity sizes may vary throughout an installation. Please note that the volume of air in the retrofit enclosure is smaller than that of your ceiling, and bass extension will be reduced. If sound control is not necessary for your unique installation, we recommend not using the backbox so the speaker can take advantage of the larger airspace in your ceiling cavity. We hope this helps, and thanks again for your questions.

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