Niles Audio Corporation CM6.3SI Inwall Speakers

Niles Audio Corporation CM6.3SI Inwall Speakers 


Looking for stereo sound from a single speaker? Check out the Niles Audio Stereo Input line. The ceiling-mounted 6.3Si comes with dual 3/4" Kaladex tweeters and a 6-1/2" mica-filled polypropylene woofer with rubber surround you enjoy pleasing stereo sound, whether in a small space that can't accommodate two speakers (like a powder room) or a larger space where a stationary "sweet spot" is impractical (such as a porch or hallway). Dual no-strip speaker wire terminals make for easy connection to your system.

Key Features:

  • 6-1/2" woofer
  • 3/4" Kaladex tweeters
  • recommended amplifier power: 5 to 100 watts
  • frequency response 60-21,000 Hz (±3dB)
  • sensitivity 88 dB
  • dimensions: 9-1/4" diameter
  • cutout dimensions: 8-1/16" diameter
  • depth above ceiling: 4-11/16" (assumes 1/2" sheetrock)
  • patented 2-piece, no-strip speaker wire terminals (accomodate 12- to 20-gauge speaker wire)
  • paintable, rustproof, white-finish aluminum grilles; ideal for moist environments
  • warranty: 5 years


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[Nov 02, 2006]
Audio Enthusiast


Easy installation, paintable grill and frame, and a solid flush mount.


For an in wall unit, none.

I refinished my kitchen and wanted to install speakers in there instead of a counter top/ under counter radio. I did not want surface mount (such as an Orb type speaker) or a setof ceiling mount speakers--however I was assured by the dealer that I could mount this speaker inwall and it would sound fine...and it does. Installation was easy; a cardboard template is included for cutout. Speaker wire hook-up is easy and the grill and speaker frame are paintable. I only had one spot for inwall installation and this speaker met my space requirements. It is mounted at my ear level (I'm 6' 3") and sounds good about five feet away when you are in front of the stove. However, when you are out on the deck 12' to 15' away, the speaker fills the whole kitchen with sound and the music sounds great when hanging out on the deck. The mounting clamps turn out when installing so just make sure that you leave enough space next to any joists to mount the unit. This is my first Niles Audio product, and for a single mono summing/dual voice coil speaker it performs well.
Dave Kushner

Customer Service

Audio Junction in Dormont/Pittsburgh is the store that I go to for higher quality audio products.

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