Skip to main contentSkip to footer
Slide 1 of 5

Overview

Hi-Res Audio – Crisp, detailed sound up to 41 kHz.1030W Power – Drives full systems with strong bass.Efficient Class D – High output, low heat, compact size.Plug & Play – Quick setup with Molex connectors.Wide Compatibility – Works with OEM, EVs, and modern head units.

Hertz CP5.1K Cento Power 5 Channel Class D Amplifier

Model: CP5.1K
Web Code: 20119399
Sold and shipped by | 4.6 seller rating (255 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Enjoy on orders from this seller.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

The Hertz CP5.1K is a compact 5-channel Class D amplifier delivering 1030 watts of total power with Hi-Res Audio certification and Advanced D-Class technology. It provides flexible power options for speakers and subwoofers, including 80W x 4 + 330W at 4 ohms, 130W x 4 + 510W at 2 ohms, or 260W x 2 + 510W in 3-channel mode.

Designed for high-quality sound, the CP5.1K supports frequencies from 10 Hz to 41 kHz and features balanced inputs with high signal-to-noise ratios for clean, detailed audio. Its ultra-compact aluminum diecast housing makes it ideal for tight spaces and OEM amplifier locations, while the top-mounted controls provide easy access to crossover, bass boost, and other adjustments.

The amplifier includes Molex Plug&Play connections, automatic remote turn-on/off, and a 9–18V DC power supply range for compatibility with modern vehicles, including EVs. Its Universal Speaker Simulator supports input sensitivity up to 40 Vrms for easy integration with OEM and aftermarket head units. Additional features include 50–5000 Hz high-pass and low-pass filters, a 25 Hz subsonic filter, up to 9 dB of bass boost at 50 Hz, and compatibility with the optional HRC 02 remote subwoofer level control.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.