Hertz Cento CP 1.700

Hertz Cento CP 1.700 – Mono Amplifier for Powerful Subwoofer Operation

The Hertz Cento CP 1.700 is a 1-channel Class-D monoblock that efficiently drives your subwoofer. With up to 700 W RMS at 2 Ω, high efficiency of 89%, and clean signal processing, it delivers controlled bass in a compact design. The integrated filters, bass boost, and optional sub remote control give you full control over the low frequencies – suitable for many car hi-fi setups. Available at Carhifi.shop.

Technical Highlights

• Amplifier Type: 1-channel Monoblock (Class D)
• Output Power (RMS, 1% THD): 400 W x 1 at 4 Ω; 700 W x 1 at 2 Ω
• Total Power: 700 W
• Efficiency: 89%
• THD: 0.01% at 100 Hz, 70% rated power
• Damping Factor: 350 (at 1 kHz, 1 W)
• Signal-to-Noise Ratio: 113 dBA (A-weighted at 1 V input)
• Frequency Response: 10 Hz – 500 Hz (–3 dB)
• Minimum Load Impedance: 2 Ω (1 channel)

Filters, Control & Connections

• Adjustable Crossovers: Yes
• Sub Channel Low-Pass: OFF / 50 – 250 Hz, 24 dB/Oct.
• Subsonic High-Pass: OFF / 25 Hz, 24 dB/Oct.
• Bass Boost: 0 – 9 dB at 50 Hz
• Pre-Out High-Pass: 50 – 250 Hz, 12 dB/Oct.
• Inputs: Pre-In / Speaker-In (High-Level)
• Pre-In Sensitivity: 0.32 – 8 VRMS
• Speaker-In Sensitivity: 1.6 – 40 VRMS
• Sub Remote for Level: –20 to +6 dB (active when LPF is on)

Power Supply & Control

• Operating Voltage: 9 – 18 VDC
• Rated Voltage (with fuses): 11 – 15 VDC, fused with 2 x 25 A
• Idling Current: 1.10 A
• Standby Power Consumption: 4.5 µA
• Current Draw at Minimum Load (max. music power): 33 A
• Remote Input: 4 – 17 VDC (1 mA)
• ART Auto-Turn-On via Speaker-In (BTL radios only): Switching threshold 1.5 VDC

Installation & Compatibility

The CP 1.700 is designed for in-car subwoofer applications and operates stably down to 2 Ω. With high and low-level inputs, it is suitable for both factory radios and aftermarket head units. The integrated filters simplify the setup of a clean, high-performance bass system.