KENWOOD - KAC-PS4D

The Heart of Kenwood Sound Amplifiers in the 2007 PS lineup pump out extraordinary power thanks to awesome technologies that only a high-fidelity specialist like Kenwood can offer. Take a look at the performance: Dual Σ (sigma) drive provides bridged output with an excellent damping factor, new K-STAT technology with a slimmer, more compact chip design reduces thermal resistance but increases power for improved sound quality, and a dual power supply with two transformers ensures steady operation even when the positive and negative loads are unstable. What's more, the digital amplifiers boast slimmer overall dimensions without any sacrifice in performance.

Key Features

• High Performance 4-channel Power Amplifier for Subwoofer

• Class-D Amplifier Circuit

• 1200W Max Output Power

• 2Ω Load Capability

• Full Function DSP (Digital EQ, Digital X'over)

Amplifier Features

• Class D Amplifier    Yes

• Full Range Digital Amplifier    Yes

• Load Capability    2Ω Stable

• Maximum Output Power    1200W

• Rated Power Output    75W x 4 (4Ω)

• Rated Power Output    100W x 4 (2Ω)

• Bridged Power Output (4Ω)    200W x 2

• CEA-2006 Compliant    Yes

• Low-pass Filter    Yes

• High-pass Fliter    Yes

• Infrasonic filter    Yes

• Phase inverter 0°(Normal) / 180°(Reverse)    Yes

• Built-in Full Function DSP    Yes

• Switched Mode Power supply    Yes, with Power MOS-FET

• Power Supply with Dual Transformer    Yes

• Cooling Fan    Yes

• Amplifier Information Display    Yes

• Power Indicator    Yes

• Installer Memory    Yes

• Last Settings Memory    Yes

• Line in    2 RCA (Gold Plated) A/B

• Input Selector    A/AB

• Line out    1 RCA (Gold Plated)

• Line Out Filter    Yes

• Single Side Terminals    Yes

• Full Contact Terminal    Yes

• Gold Plated Power & Speaker Terminals    Yes

• Die-Cast Aluminium Heat Sink    Yes

• Removable Coverplate    Yes

Amplifier-Specifications

• Maximum Power Output (4Ω)    1200W x 1

• Rated Power Output (4Ω, 14,4V)    100W x 4 (20Hz ~ 200Hz, 0.05%THD)

• Rated Power Output (2Ω, 14,4V)    150W x 4 (1000Hz, 0.5%THD)

• Bridged Power Output (4Ω, 14,4V)    300W x 2 (1000Hz, 0.5%THD)

• Rated Power Output (4Ω, 12V)    75W x 4 (20Hz ~ 200kHz, 0.05%THD)

• Rated Power Output (2Ω, 12V)    100W x 4 (1000Hz, 0.5%THD)

• Rated Power Output (CEA-2006)    100Watts RMS x 4 at 4 ohms and 1% THD

• Low-pass Filter    40~200Hz (24dB/oct)

• High-pass Fliter    50~200Hz (12dB/oct)

• Infrasonic filter    20/30/40/50/60Hz (-24dB/oct) B-channel

• Input Sensitivity    0.2 ~ 5V

• Input Impedance    10kΩ

• Signal to Noise Ratio    105dB

• Signal To Noise Ratio (CEA-2006)    78dBa (Reference: 1 Watt into 4 Ohms)

• Frequency response (+0dB, -3dB)    20Hz ~ 20000Hz

• Operating voltage    14.4V (11V ～ 16V allowable)

• Dimensions (WxHxD)    340 x 60 x 225(mm),

• Weight    3.8kg

• Current Consumption    60A

DSP Specifications

• Frequency Band 1    25 / 40 / 60 / 80 / 100Hz

• Frequency Band 2    150 / 200 / 300 / 400 / 500Hz

• Frequency Band 3    600 / 800 / 1k / 1.5k / 2kHz

• Frequency Band 4    3k / 4k / 5k / 6.3kHz

• Frequency Band 5    8k / 10k / 12.5k / 16kHz

• Quality Factor Band1 - Band3    1 / 2 / 3 / 5

• Quality Factor Band4 - Band5    2 / 4 / 8 / 10

• Gain (Boost or Cut)    -9dB - +9dB

• Delay Control    0 - 3.9ms (0.1ms Step)

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