Sundown Audio SAEv4 Class-D 1-Ohm 2k Watts Monoblock Amplifier / SAE-2 — Big Jeff Audio Dealer Platform
Skip to content
Welcome To The Dealer Platform
Welcome To The Dealer Platform


  • Revamped Design: Features a new chassis and heatsink with 33% more aluminum, ensuring optimal cooling and performance during heavy loads.
  • Versatile Technology: Multi-channel amps utilize Class A/B circuitry for superior sound quality, while mono channels employ efficient Class D technology for maximum power output.
  • Compact and Powerful: Incorporates the latest Half-bridge technology, offering a compact design that delivers clean and robust signal power without compromise.
  • Customer-Driven Innovation: Developed in response to customer demand, combining the beloved qualities of the SAEv1 and SAEv2 series with modern advancements.
  • Budget-Friendly Excellence: Provides the affordability of full-bridge amplifiers with the stability and reliability of half-bridge systems, making it an ideal choice for any audio enthusiast.

Sundown Audio SAEv4 Class-D 1-Ohm 2k Watts Monoblock Amplifier / SAE-2000-V4

This Listing Includes:

  • (1) SAE-2000-V4 Amplifier


Back by popular demand, we proudly present the revamped SAEv4 series from Sundown Audio. Responding to customer requests, we’ve reintroduced a budget-friendly Korean-style amplifier reminiscent of the beloved SAEv1 and SAEv2 series. But we didn’t stop there. The new SAEv4 amplifiers feature an all-new chassis and heatsink with 33% more aluminum, ensuring superior cooling during heavy loads.

The SAEv4 amps blend cutting-edge technology with versatile performance. Multi-channel models boast Class A/B circuitry for unparalleled sound fidelity, while mono channels utilize Class D efficiency for maximum power. We've integrated the latest Half-bridge technology, maintaining a compact design without compromising on power and clarity. For those seeking the affordability of full-bridge amplifiers and the reliability of half-bridge systems, the SAEv4 series is the perfect solution.


  • Digital Class-D Mono Block Amplifier

  • Dual MOS-FET PWM Power Supply

  • 1 Ohm Stable Load

  • 12 dB/Octave - Variable Low Pass Filter

  • 12 dB/Octave - Variable Subsonic Filter

  • 4 Way Protection Circuit (Thermal, Voltage Speaker short and DC Offset)

  • Wired Remote Control


  • Input Sensitivity 6V Max

  • 2000 x 1 @ 1 ohms RMS

  • 1300 x 1 @ 2 ohms RMS

  • 875 x 1 @ 4 ohms RMS

  • 1 OHM Stable

  • Variable Low Pass Filter : 40HZ - 180HZ

  • -12dB/8 Variable Crossover Slope (LPF)

  • Signal / Noise Ratio : 92DB

  • Operation Voltage : DC 10.5V - 15.5V Power Input

  • Recommended Fuse : 180 Amps


  • Length: 14 inches / 355 .6 mm

  • Width: 6.5 inches / 165.1 mm

  • Height: 2.75 inches / 69.85 mm

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

When you click on the Buy it Now button you are entering into a
contract whereby you agree to purchasing the item at the price listed.

If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.