Compact mono subwoofer amplifier with automatic tuning DSP — 500 watts RMS at 1 ohm 47KEY500.1

$399.99

The KEY500.1 is a smart subwoofer amplifier and audio processor in one, featuring an AI-driven DSP (digital signal processing).

[ user’s manual ]

The KEY500.1 is a smart subwoofer amplifier and audio processor in one, featuring an AI-driven DSP (digital signal processing).

[ user’s manual ]

    • mono subwoofer amplifier

      • 150 watts RMS x 1 at 4 ohms

      • 300 watts RMS x 1 at 2 ohms

      • 500 watts RMS x 1 at 1 ohm

    • Class D amp technology

    • KEY Auto Setup customizes the signal for your stereo system

      • test tones available from Kicker.com

      • automatic adjustments include bass restoration and EQ

    • variable low-pass filter (40-160 Hz, 24 dB/octave)

    • variable subsonic filter (10-40 Hz, 24 dB/octave)

    More Info:

    • preamp and speaker-level inputs

      • DC offset sensing turn-on with speaker-level inputs

    • Radio-Detect circuit supplies speaker load for receiver to sense

    • wiring, fuse, and hardware not included with amplifier

      • 8-gauge power and ground leads and a 60-A fuse recommended

    • dimensions: 8-3/16"W x 1-3/4"H x 3-11/16"D

  • ⚙️ Performance Specifications

    • RMS Power Output (Watts x Channels): 150 x 1

    • Peak Power Output (Watts x Channels): 500 x 1

    • Power @ 2 Ohms: 300 x 1

    • Power @ 1 Ohm: 500 x 1

    • Minimum Impedance (Unbridged): 1 ohm

    • Frequency Response: 10 – 160 Hz

    • THD @ Rated RMS Power: 1%

    • Signal-to-Noise Ratio: 90 dB

    • Input Voltage: 14.4V

    🎛️ Features

    • Amplifier Class: D

    • Built-in DSP: Yes

    • Remote Control: Optional

    • Low-Pass Crossover Frequency: 40 – 160 Hz

    • Low-Pass Slope: 24 dB/octave

    • Bass Boost: 0 – 6 dB

    • Bass Boost Frequency: 40 Hz

    • High-Pass Crossover: N/A

    • Fan Cooled: No

    • Fuse Rating: 60 A

    • Speaker-Level Inputs: Yes

    • Preamp Outputs: No

    📏 Dimensions

    • Width: 8-3/16"

    • Height: 1-3/4"

    • Depth: 3-11/16"

    • Mono amplifier

    • 12" Input harness (4-pin Molex to female RCA)

    • Four 1" screws

    • Two 12" wire-ties

    • 3mm Allen key

    • Quickstart guide

    • Kicker Tech Support information