Sundown Car Audio 3" 100W RMS 4 Ohm Tweeter BT-1R-4OHM

• Designed for superior high-frequency performance and clarity
• Ideal for car audio enthusiasts looking for premium sound quality
• Compact size allows for versatile installation in A-pillar or B-pillar configurations
• Durable construction for long-lasting performance

This Listing Includes:

• (1) BT-R1 4 Ohm 3" Tweeter from Sundown Audio

The Sundown Audio BT-R1 High Output Tweeter is designed to deliver crisp, detailed highs with impressive efficiency. With a 4-ohm impedance and a wide frequency response, this tweeter is a great addition to any A-pillar or B-pillar configuration. Its high sensitivity ensures powerful sound reproduction, making it an excellent choice for audiophiles looking to enhance their system’s clarity and performance.

Key Features:

• High-output design for sharp, accurate highs


• 100 watts RMS power handling for reliable performance


• 4-ohm impedance for seamless integration into most systems


• Frequency response range of 4kHz - 20kHz


• 100dB sensitivity for efficient sound output


• Sold individually for custom installations

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.