Niles CSF55A Cynema™ Soundfield

55"-wide powered 3-channel in-wall home theater sound bar

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Item #: 190CSF55A

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Engaging home theater sound from a space-saving, in-wall speaker

The revolutionary Niles Cynema Soundfield in-wall sound bar system may just be the perfect combination of stealth and home theater performance. This powered three-channel speaker system installs flush under your wall-mounted flat-panel TV, delivering impressive levels of clear, detailed sound to accompany your favorite TV shows, movies, and video games. Its magnetically attached, low-profile MicroPerf® grille can be painted to match the color of your walls for a nearly invisible look. And the system is available in three different widths — 48", 55", and 65" — to let you choose the size that best matches your TV screen.

Modular design means no cutting or drilling of wall studs required

This speaker's innovative in-wall mounting system allows it to be perfectly centered under your flat-panel display without the need to cut or drill wall studs. The system includes three self-contained, sealed speaker modules that tuck down and into the wall between the studs, then snap into place on the Cynema Soundfield's mounting frame. Each module can be adjusted horizontally along the width of the frame to achieve optimum imaging and separation.  

Power and versatility

The supplied digital amplifier module provides power for all three speaker modules, and includes Dolby® signal processing for superior sound. The amp features optical digital, line level, and aux inputs, as well as HDMI input and output for flexible system connections to your source components and TV.  A connection for the optional Niles SW-T wireless subwoofer transmitter makes it easy to add a powered subwoofer for deeper bass response. And the Cynema Sounfield learns the commands of your TV or universal remote, giving you one less clicker to keep track of. A flush-mounted, in-wall DC power supply installs separately behind or under your TV, sending low-voltage DC power through the wall to the amplifier module, giving the entire system a sleek, low-key appearance.

Product Highlights:

  • engaging home theater sound with a space-saving, in-wall design
  • uses three sealed, passive loudspeaker modules with two 2" x 3" poly cone woofers and a 1" silk dome tweeter each
  • adjustable speaker spacing allows for ideal placement of left, center, and right channel speakers in any existing wall stud configuration — no cutting or drilling of studs required
  • digital in-wall amplifier module provides power for all three speaker modules (30 watts RMS x 3)
  • separate flush-mounted DC power supply sends low-voltage DC power through wall to amplifier module
  • Dolby® signal processing for clear sound
  • easily connects to a powered subwoofer with the Niles wireless subwoofer system (SW-T & SW-R sold separately)
  • compatible with a whole house distributed audio system (TV sound always takes priority when the TV is turned on)
  • auto-sensing power on; signal-detecting automatic input source selection
  • frequency response: 65-25,000 Hz
  • grille dimensions: 55"W x 5-1/4"H
  • cutout dimensions: 52-1/4"W x 3-3/4"H
  • mounting depth: 3-1/2" (measured from interior face of drywall), plus 3" clearance inside wall below bottom mounting rail
  • requires AC power
Amplifier Module Connections:
  • Left, Center, Right speaker outputs
  • 1 HDMI input; 1 HDMI output (pass-through)
  • 1 Toslink optical digital audio input
  • 1 stereo line input (3.5mm)
  • Aux stereo input (3.5mm)
  • external IR receiver input
  • mono RCA subwoofer output for adding a powered subwoofer (not included)
  • power output for optional Niles SW-T wireless subwoofer transmitter (DC power cable included)
General:
  • works with TV remote or any universal programmable remote
  • optical digital and analog RCA-to-mini cables included
  • front-mounted manual controls available on amplifier module
  • warranty: 10 years speakers, 2 years amplifier
  • Our 60-day money-back guarantee

Sound bar speakers: room-filling sound with less clutter

Add big sound to your TV without a roomful of speakers. Sound bars require minimal space and wiring, and their sleek designs complement today's flat-panel TVs. Most sound bars have their own built-in amplification, so you won't need to use a home theater receiver. Some models use advanced surround processing and carefully aimed speaker drivers to simulate the effects of a full home theater audio system.

Hands-on research

What's in the box?

Download owner's manual

  • 3 Passive in-wall speaker modules
  • White grille
  • Amplifier Module
  • In-wall power supply with attached 3' cable
  • 45" AC power cord (IEC 2-pronged)
  • 4 White-painted screws (for power supply)
  • Two 52" rails
  • 3 In-between covers
  • 2 In-between joiners
  • 4 Screw-down slide brackets
  • 2 Clamp-down end brackets
  • Niles SW-T bracket
  • 5' Audio cable (Male 3.5mm on one end and male stereo RCAs on other end)
  • 3-meter Optical digital cable (Toslink connectors)
  • Three 59" color-coded speaker wires (18-gauge with tinned ends)
  • Eight 1-1/2" self-tapping screws
  • Two 4" plastic wire ties
  • 2 Tape strips
  • 2 Cardboard cutout templates (for speakers and power supply)
  • Installation Guide
  • Limited Warranty Card

Product Research

Features

Overview: The Niles Audio Cynema Soundfield System is the first in-wall soundbar that installs flush below your wall-mounted flat panel TV. The CSF55a is a powered system that includes a digital amplifier and three self-contained speaker modules (for left, center, and right channels). The amplifier and speaker modules tuck down into the wall cavity between the studs, and can be adjusted along the mounting rails for best separation. The system comes with a flush-mount grille for a seamless look.

Amplifier: The CSF55a includes a 3-channel digital amplifier to power the left, center, and right channel speaker modules. The amplifier mounts in-wall between two of the speaker modules. It is powered by a separately-mounted DC power supply, which sends low voltage DC power through the wall. Audio Specifications:

  • Output Power: 30W RMS x 3
  • Frequency Response: 100 Hz to 20 kHz (+0dB/-3dB or better)
  • Channel Separation: (channel to channel crosstalk) >70dB or better @ 1 kHz
  • Signal-to-Noise: >75dB or better (based on Rated Power/100Hz to 20kHz un-weighted)
  • Dimensions: 3-3/4" W x 4" D x 6-1/4" H (2-3/4" below the cutout)

In-Wall Power Supply: The amplifier is powered by the supplied In-Wall Power Supply, which should be installed either behind or below the TV and adjacent AC outlet. The power supply has a heavy duty AC power cord which plugs in the front of the module. Behind the wall, the 24-volt DC power output cable runs inside the wall and plugs into the back of the amplifier. Because there is no high voltage wires are running through the wall, no electrician is needed for installation.

Speaker Modules: The three speaker modules are self-contained sealed enclosures with dual 2" x 3" oval woofers and a 1" silk dome tweeter. The curved rear wave enclosure tucks down into the wall, while the drivers fire out of a 9" x 3" frame on the front. Only 3-1/2" depth behind the drywall and 3" of clearance inside the wall below the cutout is required. The woofers are angled slightly upward toward the listening area. Gold-plated spring posts are mounted to the bottom of the enclosure to connect the supplied speaker wire. Speaker module dimensions: 9-5/8" L x 4" D x 6-1/2" H.

Grille: The CSF55a comes with a white metal MicroPerf grille that attaches magnetically to the in-wall mounting system's frame. The 55" x 5-1/4" grille is only a 1/4" thick to give an unobtrusive appearance. The grille is paintable to make it virtually disappear into the décor.

Optional Wireless Subwoofer: The system includes the bracket to mount the optional Niles SW-T Wireless Subwoofer transmitter behind the wall on the In-Wall Mounting System. The SW-T receives power from the Cynema Soundfield's amplifier. This would allow you to place a Niles SW6.5 or SW8 powered subwoofer in the room using the SW-R Wireless Subwoofer receiver.

Installation: The Cynema Soundfield System is easy to install. The flexible and unique In-wall Mounting System lets you install the system without cutting or drilling into the wall studs. A cutout in the drywall of 52-1/4" W x 3-3/4" H is required. (Cardboard templates for the speakers and the separate In-Wall Power Supply are included to assist you in making the cutout.) Four screw-down brackets and two clamp-down end brackets are included to hold the top and bottom rails in place. The three speaker modules and amplifier snap into place between the studs, with covers and joiners to fill in the gaps. The modules can be adjusted laterally along the rails for optimum imaging. The In-Wall Power Supply mounts into a 8-3/8" W x 3-11/16" H cutout near an available power outlet. The DC power output cable runs inside the wall to the amplifier power input.

Connections: The amplifier's connections are on the bottom of the module, so the input and output cables need to be run inside of the wall. Connections are provided for HDMI input, HDMI output (pass through to TV), L/C/R Speaker output, Subwoofer Output, Toslink Optical Input, Stereo Input (3.5mm), Aux Stereo Input, External IR Receiver Input, and Subwoofer Transmitter Power 0<5V (for optional SW-T).

Our Product Research Team

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