Description
Hertz HDP 4
4 D CLASS FOUR-CHANNEL AMPLIFIER
The Hertz HDP 4 is a D-Class four-channel amplifier, perfect to satisfy any need. It is the most compact HDP; nonetheless, like the other models, it can reach very high power levels: in less than 30 cm (12 inches) it can provide up to 1000W on 2 channels at 4 Ohm! It can be used in full range as well as with crossover settable as Lo-Pass/Hi-Pass. It has been thought to offer the user the maximum possible flexibility, both thanks to Speaker In and RCA inputs and to the controls, with a status monitor communicating to the user through a LEDs system.
Using Speaker In inputs, the ART? (Automatic Remote Turn On-Off) the function is available; the user can also switch it off. HDP 4 is the perfect choice for those who look for performance and non-bulky sizes. The double-extrusion heat sink and the Hertz logo, which is backlit and can be rotated, allow especially sophisticated installations.
Input / Output
Technologies
MONITORING LEDs
4 LEDs monitor amplifier status and communicate with the user in real-time. This system, while allowing the amplifier to operate, also identifies installation faults and leads to eliminate them.
HDP ELECTRONICS
Power supply stage featuring toroidal transformers with multi-layered windings, powerful T220-5pin with dual inside device Mosfets.
ADVANCED HEATSINK
The heatsink boasts extremely efficient thermal conductivity, combined with exclusive cosmetics: scratch-resistant finish, end caps shaped for easy handling, control panel accessible from the top as well as a featured backlit Hertz logo which can also be rotated.
HDP IN & ART(TM)
HDP IN system provides to interface with any OEM (through the Speaker In) and aftermarket (through the RCA In) sources. Using Speaker In inputs, the ART (Automatic Remote Turn On-Off) function is available; the user can also switch it off.
The Hertz View
In fact, to understand the love of sound is to understand Hertz’s philosophies. Hertz understands that a great speaker should draw out the emotional energy of the music you cherish, as a result- partnered with their commitment to using deluxe components and boundary-pushing engineering; they produce premium quality. Besides, music requires no compromise. Incorporated music lovers, Hertz is obliged to optimizing your vehicle sound system for complete audio delight.
Data table
| Channel mode | 4-3-2 |
| Output Power (RMS) @ 14.4 VDC |
4 Ch 150 W x 4 (4Ω) 4 Ch 250 W x 4 (2Ω) 3 Ch 150 W x 2 (4Ω) + 500 W x 1 (4Ω) 3 Ch 250 W x 2 (2Ω) + 500 W x 1 (4Ω) 2 Ch 500 W x 2 (4Ω) |
| Filters
Hi-Pass |
50 ÷ 5k Hz (2 range) @ 12 dB/Oct. 80 ÷ 3.3k Hz @ 12 dB/Oct. |
| Distortion – THD (100Hz @ 4Ω) |
0.08 % |
| S/N Ratio (A weighted @ 1V) |
100 dB |
| Damping factor (100Hz @ 4Ω) |
50 |
| Size W x D x H mm (in.) |
171 x 284 x 46.70 (6.73 x 11.18 x 1.83) |
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