
2 YEAR WARRANTY
Hertz PowerSports HMP 4D Marine 4 Channel Stereo Amp Amplifier 300w RMS
HMP 4D MARINE & POWERSPORTS 4 CHANNEL AMPLIFIER
Thanks to the ultra-compact cast-aluminium chassis (IP64 rated), the HMP 4D amplifier is nature-proof, being the ideal choice for UTV/ATV/motorcycle installations. It features an incredible power/size ratio and an easy setup thanks to the integrated crossover filter.
There are no reviews for this product.

Product Information
The Front End section features a complete and bypassable crossover system, providing full system design flexibility with or without external processors, offering the user endless connection possibilities with any source. Inputs feature a special balanced circuitry, ensuring high rejection against electro-magnetic interferences, for noise-free results.
- Channel mode 4 - 2
- Output Power (RMS) @ 14.4 VDC 60 W x 4 (4 Ω)75 W x 4 (2 Ω) 150 W x 2 (4 Ω)
- Bypass Yes
- Hi-Pass 65-85-115 Hz @ 12 dB/Oct.
- Lo-Pass 65-85-115 Hz @ 12 dB/Oct.
- Distortion - THD (100Hz @ 4Ω) 0.2 %
- S/N Ratio (A weighted @ 1V) 95 dB
- Damping factor (100Hz @ 4Ω) 45
- Size W x D x H mm (in.) 223 x 100,5 x 43,6 / 8.77 x 3.95 x 1.71
Specification
What's Included
- Hertz HMP 4D
You may also like

Helix P One Mono Subwoofer Amp 1 Channel Class D Amplifier up to 1500w RMS 1 Ohm
HELIX P ONE1 Channel Class D Amplifier
£899.00 OUT OF STOCK
JL Audio MX300/1 Class D 1 Channel Monoblock Subwoofer Amp Amplifier 300w RMS
MX300/1Monoblock Class D Wide-Range Amplifier, 300 W
£309.00 IN STOCK
Alpine KTP-445A Amplifier Plug and Play Compact 4 Channel Add On Amp 4x45w RMS
HEAD UNIT POWER PACKKTP-445A Add On and Build Up Your System
£149.00 LAST ONE
Audison Prima AP5.9 bit 5 Channel Amplifier Amp & 9 Channel DSP 270w RMS
AP5.9 bitAP5.9 bit amplifier is ideal to realize a two way front full active plus subwoofer system using the fifth mono channel with 270 W @ 2. The built-in processor with 9 output channels, that this amplifier shares with the AP8.9 bit, provides the ability to assign the pre-outs to the AP4 D amplifier, creating a very powerful system in a small space thanks to the optional stacking system.
£649.00 IN STOCK
Alpine BBX-F1200 Amplifier 4 Channel Class AB Bridgeable Stereo Car Amp 280w RMS
Superior sound performance at amazing prices4 Channel Amplifier BBX-F1200
£109.00 LOW STOCK
JL Audio MLC-RW Marine RGB LED Lighting Controller for M3 M6 Speakers Subwoofers
MLC-RWMarine Lighting Controller
£249.00 LOW STOCK
JL Audio MMP-1-BK Mounting Adaptor Plate for MediaMaster MM100s & MM100s-BE
MMP-1-BKMounting adaptor plate for MediaMaster MM100s
£60.00 IN STOCK
Helix M One Mono Subwoofer Amp 1 Channel Class D Amplifier up to 600w RMS 1 Ohm
HELIX M ONE1 Channel Class D Amplifier
£249.00 LOW STOCK
AudioControl ACM-1.300 1 Channel Mono Micro Car Amp Amplifier 300w RMS 2ohm
acm-1.300monoblock micro amplifier with accubass®
£329.00 IN STOCK
JL Audio RD500/1 Monoblock 1 Channel Class D Sub Subwoofer Amplifier 500w RMS
RD500/1Monoblock Class D Subwoofer Amplifier, 500 W
£399.00 IN STOCK
JL Audio VX600/1i VXI Series Monoblock Subwoofer Amplifier DSP Amp 600w RMS
VX600/1iMonoblock Class D Amplifier with Integrated DSP, 600 W
£899.00 IN STOCK
Morel MPS 1.550 Amp Monoblock Class D Mono Subwoofer Amplifier 550w RMS at 2ohms
Morel MPS 1.550Mono subwoofer amplifier — 550 watts RMS at 2 ohms
£399.00 IN STOCK
Mosconi Gladen PRO 4|10 Amplifier 4 Channel SQ Amp Class A B RMS 640w RMS
Mosconi PRO 4|104 Channel Class AB Amplifier
£599.00 IN STOCK
Helix P TWO 2 Channel Class D Amplifier Built in Crossovers up to 490w RMS 2ohm
HELIX P TWO2 Channel Class D Amplifier
£719.00 OUT OF STOCK
Helix V Twelve DSP 12 MK2 Channel Amplifier with 14 Channel DSP 75w RMS 64 Bit
HELIX V TWELVE DSP MK212 Channel amplifier with integrated 14-channel DSP 8 x 75 / 150 Watts @ 4 Ohms
£1,275.00 LOW STOCK
Mosconi Gladen PRO 5|30 Amplifier 5 Channel SQ Amp Class A B + D 1100w RMS
Mosconi PRO 5|304 Channel Class AB and 1 Channel Class D Amplifier
£899.00 LAST ONE
JL Audio RD1500/1 RD Series 1 Channel Monoblock Subwoofer Amplifier 1500w RMS
RD1500/1Monoblock Class D Subwoofer Amplifier, 1500 W
£669.00 IN STOCK
Hertz HCP 4D 4 Channel Stereo Compact Power Car Amp Amplifier 380w RMS
HCP 4D D-CLASS FOUR CHANNEL AMPLIFIERHCP 4D is a D Class car audio amplifier, able to offer up to 1160W (RMS); it is the ideal choice for those who want high power levels in complex systems.
£349.00 IN STOCK
Sony MEX-M72BT CD Dual NFC Bluetooth USB AUX FM Radio Marine Boat Car Stereo
Marine CD Receiver with BLUETOOTH® Wireless TechnologyMEX-M72BT
£179.00 OUT OF STOCK
JL Audio HD1200/1 HD Series 1 Channel Monoblock Subwoofer Amplifier 1200w RMS
HD1200/1Monoblock Class D Wide-Range Amplifier, 1200 W
£999.00 LAST ONE