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High Efficiency Digital Multi-Channel Design
Variable Bass Boost
Clipping Indicator
4 Way Protection Circuit (Thermal, Voltage, Speaker Short, DC Offset)
Optional Wired Remote Control with Clipping Indicator
Sundown Audio 1000W 1-Ohm 4-Channel Class D Full Range Amplifier
This listing includes:
(1) Sundown Audio Amplifier Full Range 1000W 1 ohm 4 Channel Class D SFB-1000.4D
The Sundown Audio SFB-1000.4D is a high-efficiency, full-range Class D 4-channel amplifier designed for superior sound performance and reliability. Delivering up to 1050W per channel at 1 ohm, this powerful multi-channel amp provides clean, dynamic audio for a variety of speaker configurations. Featuring a variable high-pass and low-pass filter, adjustable bass boost, and a clipping indicator, it offers precise tuning and control over your sound. The built-in 4-way protection circuit guards against thermal, voltage, speaker short, and DC offset issues, ensuring long-term durability. Its Smart Cooler system, with fan-powered temperature or audio-based activation, keeps the amp running efficiently under heavy loads. Whether you're powering mids, highs, or subwoofers, the SFB-1000.4D is an excellent choice for high-performance car audio systems.
Features:
High Efficiency Digital Multi-Channel Design
12 dB/Octave – Variable Low Pass Filter
12 dB/Octave – Variable High Pass Filter
Variable Bass Boost
Clipping Indicator
4 Way Protection Circuit (Thermal, Voltage, Speaker Short, DC Offset)
Optional Wired Remote Control with Clipping Indicator
Specifications:
Number Of Channels: 4
350 watts x 4 @ 4 ohm, 14.4v
590 watts x 4 @ 2 ohm, 14.4v
1050 watts x 4 @ 1 ohm, 14.4v
Input Sensitivity: 200MV
Signal To Noise Ratio: 100dB
Frequency Response: 10HZ-20KHZ(-3dB)
High Pass Filter: 15Hz to 6KHz Variable
Low Pass Filter: 50Hz to 6KHz Variable
Bass Boost: 0 to 12dB(50Hz)
Smart Cooler (fan powered by temperature or 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:
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Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
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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.
Why Can’t I Track My Order?
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If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.
