IW-155 LCR

THX  Ultra2 Performance that fits everywhere!

The IWTS-155 LCR  is a premium-performance in-wall speaker that addresses the need for no-compromise performance with the flexibility to mount either horizontally or vertically in standard 16″-on-center stud-framed walls.It is a perfect solution for retro-fit applications and its small footprint makes it particularly inconspicuous when installed.

The 155’s MDF baffle continues Atlantic’s use of non-resonant baffle material for in-wall speakers, resulting in far better acoustic performance than speakers that use ‘ringy’ plastic or resonance-prone aluminum baffles or enclosures.

As a final touch, the 155 has two easily-accessible controls on the front panel (Boundary Compensation and HF Level) to adjust for varying placement and room acoustics situations.

The required GFR-155 grille/frame assembly is packaged and sold separately, so the grilles can be installed and painted during the construction phase, and the speakers themselves can be installed later on.

$850.00

Feature List

  • Sonic performance is a perfect match with our other Atlantic THX in-walls
  • Easy horizontal mounting between standard 16″-on-center, 3 1/2″-deep wall construction
  • Backbox (IN-BOX-155) sold separately, required for THX-certified performance
  • Boundary Compensation and High Frequency sound-optimization controls
  • The GFR-155 grille/frame assembly (required) is packaged and sold separately for maximum installation/scheduling flexibility

The IWTS-155 LCR is the perfect answer to the seemingly contradictory demands of no-compromise performance and the ability to fit horizontally between standard 16″-on-center studs. This system represents a combination of superlative audio performance, simple installation, and innovative features that are unmatched by virtually any other custom-installed system.

This THX-certified (pending) front-channel speaker forms the heart of a top-performance home theater system. It is a 2-way system with a two long-excursion 5 1/4” woofers, and the very latest version of Atlantic’s exclusive 1” Low Resonance Tweeter (LRT™).

Use the 155 as a center channel speaker with either of Atlantic’s other THX-certified in-wall speakers, the IWCB-727 or the IWTS-30 LCR. Because of its ability to fit horizontally between standard stud spacing, the 155 makes a perfect center channel match for these speakers, with absolutely no drop-off in performance or output.

Alternately, you can use three 155’s across the front LCR stage–either vertically, horizontally, or a V-H-V combination–for a virtually perfectly, seamless front theater sound.

Front Panel Controls:

– HF level—Adjusts tweeter’s output for varying room acoustics

– Boundary—Adjusts upper-bass/lower-mid response to correct for “boundary gain” when speaker is too close to corner

The optional IN-BOX-155 back box provides the proper enclosure volume for optimum THX-certified woofer response, and minimizes acoustic bleed-through from one room to another.

Separate GFR-155 grille/frame—Grille/frame assembly is sold separately from speaker portion, to maximize installation scheduling convenience.

This speaker’s THX certification is your assurance that the IWTS-155 LCR belongs in the very highest category of precision, high-performance audio devices.

Model IWTS-155 LCR
Drivers Dual 5 1/4″ (135mm) GLH* long throw woofers w/Butyl rubber surrounds and high power motors
1′ (25mm) Low Resonance Tweeter w/Neodymium magnet and Ferrofluid cooling
Configuration 2-way
Controls High Frequency Level
Boundary (Near wall/corner or mid-wall)
Frequency Response 58Hz – 20kHz +/-3dB
Sensitivity 89dB, 1 watt, 1 meter
Impedance 6 Ohms
Crossover frequencies 2100Hz
Recommended amplifier power 10 – 150 Watts RMS
Optimum wall volume .5 cu.ft.
Overall Dimensions (W x H x D) 15 1/2x 8 1/2 x 3 3/4″ (395 x 216 x 97mm)
Cutout dimensions (W x H) 14 1/4 x 7 1/8″ (362 x 181mm)
New Construction Bracket (optional) IN-NC-155 (use only if IN-BOX-155 is not being used)
Back Box (optional, but req’d for THX certification) IN-BOX 155 LCR for new construction
Weight 8 lbs. (3.6kg)

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