SKU: 87321863100

ZR 1-Channel Class D Amplifier 500 Watts Rms @ 1-Ohm

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Description

ZR 1-Channel Class D Amplifier 500 Watts Rms @ 1-OhmDS18 ZR500. 1D ZR Class D 1 Channel Monoblock Amplifier 500 Watts RMS @ 1 Ohm DS18s ZR series of amplifiers are guaranteed to supercharge your sound system to deliver brilliant sound and bulky bass frequencies. The ZR series was designed to pump up the bass and help your speakers reach their maximum potential as a part of your sound system. The ZR500. 1D offers a surplus of tuning options: such as Lowpass, and Subsonic frequency adjusters, as well as

DS18 ZR500.1D ZR Class D 1-Channel Monoblock Amplifier
500 Watts RMS @ 1 Ohm

DS18’s ZR series of amplifiers are guaranteed to supercharge your sound system to deliver brilliant sound and bulky bass frequencies.

The ZR series was designed to pump up the bass and help your speakers reach their maximum potential as a part of your sound system. The ZR500.1D offers a surplus of tuning options: such as Lowpass, and Subsonic frequency adjusters, as well as Gain Knob  and Bass Boost Switch Selector to help tune any song to your frequency.

The ZR500.1D is made to deliver 500W RMS @ 1-Ohm, 300W RMS @ 2-Ohms, and 200W RMS @ 4-Ohms giving you the perfect power settings for your speakers.

Key Features

  • Class D Monoblock Amplifier
  • MAX Wattage: 1500 Watts Peak
  • RMS Wattage: 500W RMS @ 1-Ohm, 300W RMS @ 2-Ohms, and 200W RMS @ 4-Ohms
  • Frequency Response: 10 – 220Hz
  • Signal to Noise Ratio: >95dB
  • Efficiency at 4-Ohms: 85%
  • Total Harmonic Distortion: 0.01%
  • Input Range: 0.2v - 6v
  • Selectable X-Over: LPF Fixed
  • LED Indicator: Clipping, Power, Protect
  • Power and Ground Terminal: 4 Ga
  • Minimum Impedance: 1-Ohm

Great for

  • Car Audio
  • Pro Audio
  • Off Road
  • Motorcycles
  • Stunt Walls
  • DIY Projects

Technical Details 
             ZR500.1D Product Manual
SPECIFICATIONS 
POWER  
Total Watts (Peak) 1500W
RMS Power @ 4 ohm 200W
RMS Power @ 2 ohm 300W
RMS Power @ 1 ohm 500W
AUDIO  
Frequency Response 10-220Hz
Signal to Noise Ratio >95dB
Efficiency @ 4ohm 85%
Damping Factor 160
Input Impedance 20K ohm
Channel Separation N/A
Total Harmonic Distortion (THD) 0.01%
Low Level Input Range 0.2-6V
High Level Input No
Selectable X-Over LPF Fixed
X-Over Filter Range 50-220Hz   
Bass Boost Range 0/6/12dB
Bass Boost Frequency 45Hz
Infrasonic Filter 10-50Hz
Phase Selector No
FEATURES  
Amplifier Class Digital
Amplifier Type Monoblock Subwoofer
Number of Channels 1
Minimum Impedance 1 ohm
Led Indicator clipping/protect/power
Power Input Terminal Size 4ga
Fuse Size 60A
Remote Level Control Yes / Dash Mount
Cooling Fan No
Voltmeter  No
Thermal Protection Yes
Over-Load Protection Yes
DC Output Protection Yes
Short Circuit Output Protection Yes
Voltage Input Protection Yes <9 / >16 Volts
Clipping Protection  Yes
Body Color / Finish Black Aluminum Brush
MEASUREMENT  
Overall Length 8.46" / 215mm
Overall Wide 7.24" / 184mm
Overall Height 2" / 53mm
Heatsink Length  7" / 180mm
Gross Single Unit Weight 3.15Lb
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87321863100

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4.8 ★★★★★
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J
Verified Purchase
Janet R.
Massapequa, US
★★★★★ 1
do not recomment
Color: 2Pcs-Large L Hooks-Black
horrible product, it doesn't even hold itself up
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 13, 2025
C
Verified Purchase
Condor
Lake Worth, US
★★★★★ 5
Fits Logitech K950 keyboard
This case is good for the Logitech K950. It is a no-frills zippered semi hard fabric case. No mesh pockets inside, no room for that. There are two mesh pockets on the outer top, but I would not trust them to keep anything heavy secure, nor IS it secure. Those seem more of a gimmick to me. My concern was to protect the keyboard, and the case does protect that.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
J
Verified Purchase
Jean-Marie Carter
Louisville, US
★★★★★ 5
Great Item. Worth The Investment.
It’s the best. My keyboard is happy and so am I.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025
R
Verified Purchase
Robert A
Birmingham, US
★★★★★ 5
This is more like a rigid soft case
I wanted a keyboard and mouse to keep around and a case to keep it in while traveling. The Logitech MK955 Signature Slim Wireless Keyboard and Mouse seemed like a good choice. I saw that this case was available thought it would be a good idea to protect the keyboard and mouse. So far so good.
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Reviewed in the United States on December 3, 2024
B
Verified Purchase
Becca C
Lake Worth, US
★★★★★ 2
Beware of the off-gassing smell.
As much as I like the durable case, the ONLY complaint I have is the off-gassing. The case works great and I have no problems with it. But the smell is something terrible. My entire travel case smells horrible after coming back from a client just because this case has been transported within it. I had my coat on top of it one day and then my coat stunk. I thought if I aired it outside for a bit it would clear it up. When I take it back inside and use it again, it continues to smell. It is so offensive that I am ordering something from another company. I CANNOT say it smells similar to cigarette smoke, but can say that it smells like it has been in a smoker's home for the last 30 years and you just can't get the smell out, no matter what I do. And I tried to spray it with fresheners etc. Nothing worked. I can't use it because of this. I rated as a 2 only because of the smell. As mentioned earlier, the case itself is perfect and performs as it should.
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Reviewed in the United States on April 21, 2026

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