The Complete Guide to Car Amplifiers: Everything You Need...
Whether you're seeking powerful mono amps for thunderous bass or versatile channel amps for full-...
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Authorized Crescendo Dealer
Crescendo Amplifiers
High-bias Class AB amplifiers built for sound quality
Authorized Dealer
Every amplifier is brand new with the full manufacturer warranty.
Power Matching
Send us your subwoofer or speaker specs. We'll recommend the right amplifier at the right impedance before you buy.
Hands-On Expertise
Direct support from staff who designs, builds, and competes with these systems. Honest recommendations, not upsells.
Fast Shipping from TN
In-stock orders ship within 1-2 business days from our Tullahoma, Tennessee warehouse.
Decision Shortcut
Find Your Match
Curated picks matched to common build goals
Best for SQ
Crescendo
Crescendo REVOLUTION 7A4 4 Channel Amplifier
The REVOLUTION 7A4 flagship, 4 x 150W of high-bias Class AB with 0.0035% THD, a pure amplifier with Burr Brown, Sanken and Elna parts.
$ 1,699.99 $ 1,899.99
View DetailsBest Value
Crescendo
Crescendo REVOLUTION 3A4 4 channel Amplifier
The REVOLUTION 3A4 at $499, 4 x 70W of pure Class AB. The way into Crescendo's SQ topology for the least money.
$ 499.00 $ 549.99
View DetailsBest Monoblock
Crescendo
Crescendo REVOLUTION 5A1 1 Channel Amplifier
The REVOLUTION 5A1, Class AB holding 450W flat across 4, 2 and 1 ohm. The refined choice for an SQ subwoofer stage.
$ 749.99
View DetailsBest for SPL
Crescendo
Crescendo REVOLUTION 3A1 1 channel Amplifier
The REVOLUTION 3A1, Class D on the IRS2092S platform making 1000W at 1 ohm. High-output bass in a compact chassis.
$ 569.99
View DetailsShop the Lineup
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Speakers Worth Amping
Components Built for These Amplifiers
Speaker systems that respond to clean amplifier power. The amplifiers above have the headroom; these components have the resolution to use it.
Rainbow
Rainbow Audio EL-C260S 6.5" 2-Way Component Speakers Set
$ 69.99 $ 189.99
Ground Zero
Ground Zero GZIC 16X 6.5″ 2-way component speaker system
$ 69.99 $ 199.99
Eton
Eton UGVW Golf 6 F2.2 145 mm plug and play sound upgrade for VW Golf 6 & Scirocco III
$ 99.99 $ 499.99
Rainbow
Rainbow Audio EL-C6.2P 2-Way 6.5" Component Set
$ 119.99 $ 349.99
DSP for Tuning Control
Add a Processor to Dial It In
A DSP gives you crossovers, EQ, time alignment, and signal routing in a single unit. The amplifier delivers the power; the DSP makes the system actually sound right.
Subwoofers That Pair Well
Drivers for the Amplifiers Above
These subwoofers match the power and impedance characteristics of the amplifiers in this collection. Pick the driver, match the wiring, get a system that performs as designed.
Related Collections
Pairs Well With This Collection
Browse curated picks that work with the products above.