Hertz Compact-Power HCP 4

The COMPACT-POWER HCP 4 is a technologically advanced 4-channel amplifier presented by Hertz. The HCP 4 sets new standards in terms of versatility and performance, enabling the reproduction of a wide variety of music genres via four separate channels and is suitable for a wide range of configurations. Equipped with an efficient heat dissipation system, high-quality components and a complete crossover system, this model impresses with its high reliability and excellent sound quality. With the ability to function as a mono, part of a 3-channel system or as a powerful 2-channel system, the COMPACT-POWER HCP 4 takes music reproduction to a new level.

• Channels 4 - 3 - 2
• POWER SUPPLY
• Supply voltage / fuse: 11 - 15 VDC / 2 x 20 A
• No-load current (on/off) 1 A / 0.04 mA
• Consumption @ 2 Ω, 14.4 VDC (maximum musical power): 21 A
• Remote input: 7 - 15 VDC - 1 mA
• KUNST: Automatic on/off switching from a distance with Speaker-In
• AMPLIFIER STAGE
• Distortion - distortion factor (100 Hz @ 4Ω): 0.01 %
• Bandwidth: 10 - 45K Hz
• Signal-to-noise ratio (A weighted @ 1 V) 103 dB
• Attenuation factor (100 Hz @ 4 Ω): 120
• Pre-in sensitivity 0.2 - 5 VRMS
• Sensitivity of the loudspeaker input: 0.8 - 20 VRMS
• Load impedance (MIN)
• @ 4 channels: 2 Ohm
• @ 3 channels: 2 Ohm + 2 Ohm + 4 Ohm
• @ 2 channels: 4 Ohm
• Maximum size (mm): 315 x 190 x 50 
• Weight (kg): 2.62 
• Adjustable crossovers yes

• Output power (RMS) @ 14.4 VDC, distortion factor 1%:
• 4 channels: 55W x 4 (4 Ω)
• 4 channels: 85W x 4 (2 Ω)
• 3 channels: 55 W x 2 (4 Ohm) + 170 W x 1 (4 Ohm)
• 3 channels: 85 W x 2 (2 Ohm) + 170 W x 1 (4 Ohm)
• 2 channels: 170W x 2 (4 Ω)
• Output power (RMS) @ 14.4 VDC, distortion factor 10%:
• 4 channels: 65W x 4 (4 Ω)
• 4 channels: 95W x 4 (2 Ω)
• 3 channels: 65 W x 2 (4 Ohm) + 190 W x 1 (4 Ohm)
• 3 channels: 95 W x 2 (2 Ohm) + 190 W x 1 (4 Ohm)
• 2 channels: 190W x 2 (4 Ω)
• CEA 2006-A ratings:
• RMS power (4 Ω, ≤ 1 % THD + N, 14.4 V) 50 W x 4 channels
• Signal-to-noise ratio (ref. 1 W power): 82 dBA
• Total power RMS 760 watts

• INPUTS: PRE IN / SPEAKER IN
• Pre-out FULL Range (FRONT): Yes
• FRONT Ch. filter FULL Yes
• Hi-Pass: 80 Hz @ 12 dB/oct.
• Lo-Pass: 50 - 500 Hz @ 12 dB/oct.
• REAR channel filter FULL: Yes
• Hi-Pass: 80 Hz @ 12 dB/oct.
• Lo-Pass: 50 - 500 Hz @ 12 dB/oct.
• FRONT Ch. MONO (on/off): Yes
• BACK Ch. MONO (on/off): Yes
• BOOST 50 Hz (selection): (0 / 6 / 12) dB

• A 315 
• B 291 
• C 190 
• D 166 
• E 50