The more you spend, the greater selection of free gifts you'll have at your fingertips when selecting items in your shopping cart!
1500W RMS monoblock power at 1 ohm for high-output subwoofer systems
Compact Class D design delivers strong bass while running cool and efficient
High-level inputs with DC Sense for quick factory or aftermarket installs
Adjustable low pass and subsonic filters for precise bass tuning and protection
Heavy-duty 4-way protection circuit with wired remote bass control included
Sundown Horizon 1500W RMS Class D 1 Ohm Monoblock Amplifier HZ-1500
This Listing Includes:
(1) Horizon Series HZ-1500 Monoblock Amplifier
(1) Wired Remote Bass Control
The HZ-1500 from Sundown Audio is built for serious bass systems that need real power without oversized equipment. Delivering up to 1,500 watts RMS at 1 ohm, this compact Class D monoblock pushes larger subwoofers or multi-sub setups with clean, controlled output that stays efficient and cool.
Designed for both factory and aftermarket installs, it includes high-level inputs with DC Sense turn-on for easy integration. Adjustable low pass and subsonic filters let you dial in tight, musical bass while protecting your subs from unwanted frequencies. A robust 4-way protection circuit keeps everything safe under heavy use, and the included wired remote bass knob gives instant control from the driver’s seat.
If you want hard-hitting bass in a space-saving design that’s built to last, the HZ-1500 delivers power the Sundown way.
Specifications:
RMS Power @ 14.4V
1500W @ 1 Ohm
800W @ 2 Ohm
450W @ 4 Ohm
Amplifier Class: D Monoblock
Low Pass Filter: 50Hz to 250Hz
Subsonic Filter: 10Hz to 50Hz
Input Sensitivity: Up to 6V
Signal-to-Noise Ratio: 95dB
Fuse Rating: 140A
Protection: Thermal, Short Circuit, Over Voltage, DC Offset
Remote Bass Knob: Included
Dimensions:
Length: 11.25"
Width: 4.63"
Height: 2.2"
Weight: 4.23 lbs
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.
