hijacked the audio fidelity you bought.
Reclaim the performance you paid for; Tighter Bass, Warm Vocals,
Increased Decibel Level.
This is a patented measurable, demonstrable solution for
custom architectural in-wall/ceiling speaker systems.
Speakers mounted in paper, chalk, and glue -- Drywall -- generate
muddy bass, harsh mid-range vocals, and forfeit decibel level --
distortion caused by the inherent unwanted resonance of Drywall.
Drywall -- destroys the heart of music and movie soundtracks.
To The Rescue
The SandTrap custom installed architectural speaker tuning system
reverses drywall distortion. The SandTrap system reclaims the
you paid for --- tighter bass, warmer vocals, restored volume level.
The easy to install SandTrap accommodates prevailing premium brands
of custom-installed in-ceiling and in-wall speaker systems.
Only $69.99 each .... Purchase