Sundown Audio 1750W RMS Monoblock Class D Amplifier SIA-1750D

• 1750 Watts RMS
• Thermal Management: Smart Cooler (Fan Powered by Temperature or Audio with 3 Speeds)
• Protection System: Output Short/High/Low Supply Voltage/Thermal Protection
• 0 Gauge Power & Ground Wire Inputs
• Product Dimensions: 12" x 12" x 5"

Sundown Audio 1750W RMS Monoblock Class D Amplifier SIA-1750D

This Listing Includes:

• (1) Sundown Audio 1750W Monoblock Class D Amp

This high-performance amplifier is designed to deliver clean and powerful output while ensuring reliability with advanced thermal and voltage protection systems. Its efficient Class D design, smart cooling technology, and flexible crossover controls make it an excellent choice for high-power car audio systems.

Power Handling:

• RMS Power at 14.4V DC (1 Ohm Mono): 1750W


• RMS Power at 14.4V DC (2 Ohm Mono): 1750W


• RMS Power at 14.4V DC (4 Ohm Mono): 1250W

Crossover:

• High Pass Filter: 10 to 1Hz (-12dB/8) Variable


• Low Pass Filter: 40Hz to 20KHz (-12dB/8) Variable

Amplifier Specifications:

• Monoblock Class D Amplifier


• Monoblock 1750W RMS Amp


• Frequency Response: 10 Hz - 20K Hz (-3dB)


• Bass Boost 0 dB - 12dB (50Hz)


• Input Sensitivity 200MV


• Signal Noise Ratio: 108 dB


• Recommended Fuse Rating: TBA


• Thermal Management: Smart Cooler (Fan Powered by Temperature or Audio with 3 Speeds)


• Input Impedance: 56K-Ohms


• Minimum Supply Voltage: 9V DC


• Maximum Supply Voltage: 16V DC


• Protection System: Output Short/High/Low Supply Voltage/Thermal Protection


• 0 Gauge Power & Ground Wire Inputs


• 8 Gauge Speaker Wire Inputs

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.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.