Cadence 1000 Watt 4-Channel 2-Ohm Class D Car Audio Amplifier ESC640.4D

• 4-channel Class D amplifier delivering 640 watts RMS total power for dynamic, detailed sound.
• 150 watts RMS per channel at 2 Ohms, or bridgeable to 320 watts x2 for subwoofer power and flexibility.
• Wide frequency response from 10 Hz to 20 kHz for full-range audio clarity from lows to highs.
• Built-in adjustable crossovers: HPF (40–250 Hz), LPF (50–4 kHz) for precise tonal control.
• Sleek brushed aluminum chassis with advanced heat dissipation and 4-way protection circuitry.

Cadence 1000 Watt 4-Channel 2-Ohm Class D Car Audio Amplifier ESC640.4D

This Listing Includes:

• (1) Cadence ESCORT Series ESC640.4D 4-Channel Amplifier


• (1) User Manual

Step into a world of precision and balance with the Cadence ESCORT Series ESC640.4D, a 4-channel Class D amplifier designed for those who want versatility without compromise. Delivering up to 150 watts RMS per channel at 2 Ohms, it brings clarity, power, and control to your entire system-whether you’re running speakers, mids, or bridged sub channels.

This amplifier delivers a full 640 watts RMS with a wide frequency response from 10 Hz to 20 kHz, giving you detailed highs, smooth mids, and powerful lows that stay clean even at high volume. Adjustable high-pass, low-pass, and band-pass crossovers let you fine-tune every aspect of your sound.

Specifications:

• Application Type: Car


• Amplifier Type: Class D


• Channel Configuration: 4 Channels


• Model Series: ESCORT


• Model Number: ESC640.4D


• RMS Power @ 4 Ohm: 100 W x 4


• RMS Power @ 2 Ohm: 150 W x 4


• Bridged RMS Power @ 4 Ohm: 320 W x 2


• Frequency Response: 10 Hz - 20 kHz


• Input Sensitivity: 300 mV - 6 V


• THD: < 0.05%


• Signal-to-Noise Ratio: > 90 dB


• High Pass Filter (HPF): 40 Hz - 250 Hz


• Low Pass Filter (LPF): 50 Hz - 4 kHz


• Input Type: RCA


• Cooling System: Heavy-duty aluminum heatsink


• Protection Circuitry: Thermal, Short Circuit, DC, and Overvoltage


• Build Material: Brushed Aluminum Alloy


• Product Category: Amplifiers

Dimensions:

• Length: 10.24 in (260 mm)


• Width: 7.10 in (180 mm)


• Height: 2.05 in (52 mm)

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

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