Sundown Audio HZ-600 Horizon Series Mono Sub Amplifier — 450 Watts RMS x 1 at 2 Ohms
Massive Power & Clarity
Superior Performance
Advanced Technology
Premium Quality
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Sundown Audio HZ-600 mono subwoofer amplifier delivers clean, powerful bass in a compact Class-D design with heavy-duty aluminum heat sink for cool, stable performance in tight spaces.
Features:
- Mono subwoofer amplifier
- 250 watts RMS x 1 at 4 ohms (450 watts RMS x 1 at 2 ohms)
- 600 watts RMS x 1 at 1 ohm
- Variable low-pass filter (50–250 Hz, 12 dB/octave)
- Variable subsonic filter (10–50 Hz, 12 dB/octave)
- DC audio sensing or wired remote 12-volt turn-on
- Wired remote bass level control included
- Class-D amplifier design for efficiency
- Preamp and speaker-level inputs
- 4-way protection circuit: thermal, voltage, speaker short, DC offset
- Requires 4-gauge power and ground leads and a 60-amp fuse (not included)
- No onboard fuses — additional 60-amp in-line fuse recommended for multi-amp setups
Specifications:
RMS Power Output: 250W x 1 channel
Power at 2 Ohms: 450W x 1 channel
Power at 1 Ohm: 600W x 1 channel
Minimum Impedance (Unbridged): 1Ω
Signal-to-Noise Ratio: 95 dB
Input Voltage: 14.4V
Amplifier Class: D
Built-in DSP: No
Remote Control: Yes
Low-Pass Crossover Frequency: 50–250 Hz
Low-Pass Slope: 12 dB/octave
Bass Boost: No
Fan Cooled: No
Fuse Rating: 60A
Speaker Level Inputs: Yes
Preamp Outputs: No
Width: 9 in
Height: 2-1/4 in
Depth: 4-5/8 in
Free shipping in the 48 U.S. states. Orders placed before 11 PM ET process next business day; shipping takes 5–8 days. Tracking info is emailed once shipped. To cancel, contact info@eliteautogear.com within 24 hours. Processed orders can’t be canceled. Thank you for choosing Elite Auto Gear!
Customer Support : 9:00 am to 5:00 pm
Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States
Email: info@eliteautogear.com
Phone: (877)-215-8187
From Boats to Jeeps to UTVs
Built to Be Heard Everywhere You Ride
Power That Dominates
Pro-grade audio engineering delivers crystal-clear highs and powerful bass that cuts through any environment. Built for the toughest rides and loudest adventures.
Built for Tough Rides
Engineered to withstand extreme conditions with rugged construction and weatherproof design.
Built for Power & Durability
Premium materials and advanced engineering ensure long-lasting performance in any environment.
Immersive Sound & Lighting
Experience rich, immersive audio with synchronized lighting effects that enhance every adventure.
Upgrade Your Ride With Pro-Level Sound
What Our Customers Are Saying
⭐ 4.9 stars reviews, Loved by Thousands
"Great packaging and super loud speakers would recommend buying and got delivered fast"
M**I
Verified Customer
"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."
B.
Verified Customer
"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"
werita&chukito3
Verified Customer
"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"
Verified Customer
"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"
Verified Customer
"The speakers were loud and good"
B.
Verified Customer
"Great product but it only comes with one tweeter so make sure you buy 2"
obs_brycen
Verified Customer
"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"
s**a
Verified Customer
"Received them and they work as i expected"
bmtmanuel
Verified Customer
"They got here before estimated arrival and are in amazing condition"
**l
Verified Customer
"Muy buen producto de escucha muy bien"
M**S
Verified Customer