Sundown Audio 900-Watt 4-channel 2-Ohm Class A/B Amplifier SD-SAE-150.4-V4

• 900W MAX OUTPUT: 4 CHANNEL CLASS A/B POWER – Delivers 150W x 4 @ 4 Ohms RMS, 225W x 4 @ 2 Ohms RMS, or 450W x 2 @ 4 Ohms Bridged for flexible system configurations with clean, dynamic output.
• HI-FIDELITY CLASS A/B ARCHITECTURE: Engineered with advanced half-bridge technology for superior sound quality, strong channel separation, and a rich, low-noise listening experience.
• VARIABLE 12dB CROSSOVERS (40Hz–5kHz): Fully adjustable high-pass and low-pass filters allow precise tuning for mids, highs, or subwoofer applications.
• UPGRADED HEATSINK DESIGN (+33% MORE ALUMINUM): Newly engineered chassis improves heat dissipation and long-term reliability during high-output listening sessions.
• 4-WAY PROTECTION CIRCUITRY: Built-in thermal, voltage, speaker short, and DC-offset protection safeguards your system and amplifier investment.

Sundown Audio 900-Watt 4-channel 2-Ohm Class A/B Amplifier SD-SAE-150.4-V4

This Listing Includes:

• (1) Sundown Audio 4-Ch Amplifier SAEV4-150.4

The SAEv4 4-Channel Amplifier is built around a high-fidelity Class A/B design, delivering powerful and precise sound for full-range systems. With upgraded half-bridge circuitry and a redesigned heatsink containing 33% more aluminum, this amplifier stays cool while producing up to 900 watts of clean output.

Fully adjustable 12dB high-pass and low-pass filters (40Hz–5kHz) give you detailed control over system tuning, while built-in protection circuitry ensures safe, reliable performance in daily and high-demand applications alike. Compact, efficient, and engineered for clarity, the SAEv4 is an ideal solution for serious system upgrades.

Features:

• High Fidelity Class A/B Multi-Channel Design


• 12dB/Octave-Variable Subsonic Filter


• 12dB/Octave-Variable High Pass Filter


• 12dB/Octave-Variable Low Pass Filter


• Clipping Indicator


• 4 Way Protection Circuit (Thermal,


• Voltage Speaker short and DC Offset)


• Optional Wired Remote Control with Clipping Indicator

SPECIFICATIONS:

• Input Sensitivity 6V Max


• 225 x 4 @ 2 ohms RMS


• 150 x 4 @ 4 ohms RMS


• Variable High Pass Filter: 40HZ - 5kHZ


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


• Signal / Noise Ratio: 92DB


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

Dimensions:

• Length: 17.95â€


• Width: 6.3â€


• Height: 2.75â€

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
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• 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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