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Sorry! Infinity - Kappa Five Five-Channel Class-D System Amplifier is sold out.

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Infinity - Kappa Five Five-Channel Class-D System Amplifier

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Rs  22,073
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  • Five-Channel Class-D System Amplifier
  • Accepts up to 4 AWG power
  • DBO can deliver flat response through even the lowest octave
  • Takes less space than any amplifier
  • Suitable For All Car Make Models
  • SUPC: 1830713


Unified system amplifier solution Yes
Easy-to-install, compact design Yes
Independently variable electronic crossover Yes
DBO variable bass EQ, plus subsonic filter
Selectable subwoofer input 50W RMS x 4, plus 200W RMS x 1, at 4 ohms <1% THD + N, 75W RMS x 4, plus 300W RMS x 1, at 2 ohms <1% THD + N, 150W RMS x 2, at 4 ohms <1% THD + N, plus 200W RMS x 1, at 4 ohms <1% THD + N
THD + N 0.0005
Signal-to-noise ratio 102dBA (reference: rated power into 4 ohms)
Frequency response 10Hz – 75kHz and 15Hz – 320Hz (–3dB)
Period 1 Year Manufacturer Warranty


It is a Five-Channel Class-D System Amplifier with on-board variable electronic crossovers, DBO (Dynamic Bass Optimization) and Input Configurator. Its compact footprint is only 14-3/16inches x 7-1/16inches x 1-3/4inches, making it perfect for tight installations.

Infinity's new Kappa amplifiers have been engineered to deliver world-class reliable power delivery in an all new compact footprint. So, not only do Infinity's new Kappa amps sound great, but they take less space than any amplifier we have ever engineered and are smaller and easier to install than the amps available from the majority of our competitors. This has been accomplished using a high-power class-D amplifier circuit design which offers high output power, high overall efficiency and efficient transfer of heat from the transistors’ metal cases to the heat sink for the ultimate in space-saving amplifier design. The Kappa Five features a 12dB per octave electronic crossover allowing you to optimize speaker performance based on type and location.

Instead of providing a conventional fixed-frequency subsonic filter, Kappa One and Kappa Five provide DBO, a variable subsonic filter with variable boost. This exclusive circuit protects woofers in vented boxes, conserving power at the lowest frequencies that vented boxes can’t reproduce and making that power available for bass boost above the high-pass filter’s cut-off frequency. Used with woofers in sealed boxes or in infinite baffle configurations, DBO can deliver flat response through even the lowest octave and protect your woofers from the mechanical dangers of over-excursion while providing tight, accurate bass. The Kappa Five features a pair of unique input selection switches eliminating the need for Y-adapters and simplify signal connections.

Differential Signal Inputs eradicate ground loops that cause engine noise and work with a variety of output configurations. Speaker-level, line-level single-ended and line-level balanced output signals from any source unit can be connected directly to the Kappa amplifiers’ RCA-type input connectors. High common-mode noise rejection removes alternator noise often present on the car’s chassis and electrical noise radiated into the signal cables. In a nut shell, common mode noise rejection works by amplifying the difference between the positive and negative leads of each signal input. Since noise is present and identical on both positive and negative, it’s cancelled by the circuit and all that is left is the music.

Smart protection circuitry guards against short circuits in the speaker output leads, under- and over-voltage due to a weak car battery or alternator or a failed voltage regulator in the car’s charging system, and protects your speakers in the event of an amplifier failure. Additionally, Kappa amps include thermal protection that never leaves you without your music. Conventional thermal protection circuits shut the amp down completely if it gets too hot. The thermal protection circuit in Kappa amps decreases the output level slightly, reducing the amount of heat generated until the amplifier reaches an optimum temperature. The amp cools itself but the music never stops.
The Kappa Five accepts up to 4 AWG power and ground cables using the included 4-gauge terminal adapters.

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