The SubAmp 600 puts in-wall bass control at your fingertips, with two discrete high-powered amplifiers in one convenient housing.

SubAmp 600

Reference In-Wall Subwoofer Amplifier

Choose Your Finish


Free delivery & 60 day free returns*

SubAmp 600

Dual Amplifier

Drive up to two subwoofers
in two different zones

Fine Tune
the Room

With volume, low-pass crossover,
and phase adjustment

Steady and

5-way binding posts guarantee
optimal connection

Invisible Sound, Uncompromised

Power Your
Hidden Bass

Built to bolster the Definitive IWSub 10/10 and IWSub Reference in-wall subwoofers, this versatile outboard amplifier offers greater placement flexibility and optimal power to effortlessly drive one or two IW Subs in the same room or in different zones.

Volume, Low-pass and Phase
for unprecedented control

Dial in your system your way with volume, low-pass crossover, and phase — all easily adjusted with convenient, front-panel control knobs.

Two Amps in One
to power two subs

Two discrete high-powered amplifiers with simple connections take deep bass impact to new heights. Power two IW subwoofers in the same zone or separate zones.

Installation Flexibility

Built for Integration

Beyond its high-powered amplifier and electronic crossover, the SubAmp 600 fits easily on a shelf or rack to power our signature Definitive In-Wall Subwoofers.

Solid, Stable Connections
for steady and secure placement

5-way binding posts ensure the most secure speaker connections possible. Connect the subwoofers, and never have to think of it again.