Head to head

Rockford Fosgate T1000X5ad vs Rockford Fosgate T400-4

Our pick

Rockford Fosgate T1000X5ad

Car Amplifiers

Why this one

Five channels and 1,000 W of rated power drive a full set of speakers and a subwoofer from one chassis.¹²

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Product photographs. Not to scale.

What Rockford Fosgate T400-4 offers

Four channels and 400 W of power let the Rockford Fosgate T400-4 drive front and rear speakers from one chassis.²³

2 models / at a glance

Key differences

Every specification ↗

Rockford Fosgate T1000X5ad

Rockford Fosgate T1000X5ad

Power · W1,000 W²Higher preferred ↑

Rockford Fosgate T400-4

Rockford Fosgate T400-4

Power · W400 W³Higher preferred ↑

What differs

Specification	Rockford Fosgate T1000X5ad	Rockford Fosgate T400-4
Power	1,000 W²	400 W³
Channels	5¹	4²
Amplifier class	Class ad²	Class a b³

More details

Specification	Rockford Fosgate T1000X5ad	Rockford Fosgate T400-4
Cooling	Fan¹	Not published
Signal-sensing turn-on	Yes¹	Not published
Weight	Not published	Not published

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Sources