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Kenwood KAC-649S

30W x 4 Car Amplifier

Item #: 113KAC649S

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Original Price: $149.99

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Kenwood KAC-649S

Overview

Our take on the Kenwood KAC-649S

Get your motor runnin', get out on the highway. And get a Kenwood KAC-649S 4-channel amp driving all your speakers for outstanding musical reproduction even at high volume levels. High- and low-pass crossovers are built into the front and rear channels for your convenience, while speaker-level inputs let you add this amp to any system.

Get your motor runnin', get out on the highway. And get a Kenwood KAC-649S 4-channel amp driving all your speakers for outstanding musical reproduction even at high volume levels. High- and low-pass crossovers are built into the front and rear channels for your convenience, while speaker-level inputs let you add this amp to any system.

Details:
  • 2-, 3-, or 4-channel output
  • Tri-way capable (Tri-Way crossover required)
  • 80 watts x 2 in bridged mode
  • 40 watts x 4 at 2 ohms
  • requires 10-gauge power and ground leads — wiring and hardware not included with amplifier
  • 80 Hz selectable low-pass crossover, 12 dB/octave
  • 150 Hz selectable high-pass crossover, 12 dB/ octave
  • speaker-level inputs
  • preamp outputs
  • 4-way protection circuitry
  • signal-to-noise ratio 100 dB
  • 11-1/4"W x 2-1/4"H x 11-5/8"D
  • 1-year warranty

What's in the Box:

  • Dark gray amplifier with silver trim
  • 25-amp blade fuse (installed)
  • 1 Speaker level input harness
  • 1 Rubber terminal cover
  • 4 Self-tapping mounting screws
  • Warranty card
  • Instructionl manual (English)
  • Instruction manual (Spanish/French)
Reviews

Kenwood KAC-649S Reviews


Details

Hands-on research

What's in the box?

Download the Kenwood KAC-649S manual

  • Dark gray amplifier with silver trim
  • 25-amp blade fuse (installed)
  • 1 Speaker level input harness
  • 1 Rubber terminal cover
  • 4 Self-tapping mounting screws
  • Warranty card
  • Instructionl manual (English)
  • Instruction manual (Spanish/French)

Product Research

Features
Inputs and Outputs
Additional Specifications

Features

Protection circuitry:

  • Speaker output contacts ground
  • Speaker wire short
  • Unit malfunctions and DC is sent to speaker output
  • Thermal: when internal temp is high
  • Loss of ground of head unit or amp

Controls:

  • Filter control switches: one for A, one for B; each one can be set for high pass (150Hz), OFF, or low pass (80Hz)
  • Operation control switches: one for A, one for B; each one can be set for stereo or mono (L channel)
  • Input selector switch: you may select A/B position when using a source unit with dual RCA outputs or A position with amplifies any signal input to the "A" by both A and B (so an RCA "Y" adapter is not needed)
  • Input sensitivity knobs (variable from 0.2 to 5V): one for A and one for B

Inputs and Outputs

Right Side of the Amplifier

  • GND: philips head screw for RCA signal ground
  • Speaker-level input: multi-pin input for use with included speaker level input harness
  • "A" and "B" line-in jacks: two pairs of gold plated RCA inputs
  • Line out jacks: gold plated RCA outputs that provide a summed signal from the "A" and "B" sets of line inputs  

Left Side of the Amplifier

  • Fuse: 25 amp fuse
  • BATT (power): gold plated screw terminal (0.55" wide)
  • GND (ground): gold plated screw terminal (0.55" wide)
  • P.CON (remote turn-on): gold plated screw terminal (0.335" wide)
  • Speaker outputs: gold plated screw terminals (0.335" wide) for front and rear, left and right loudspeakers (bridged = Left+ and Right-) 

Additional Specifications

Specifications: 

  • Rated power output at 2 ohms: 30 watts x 4 (1 kHz, 0.8% THD)
  • Max power output at 4 ohms: 60 watts x 4
  • Max power output at 4 ohms, bridged: 160 watts X 2
  • Input impedance: 10k ohms
  • Operating voltage: 14.4 V (11-16V allowable)
  • Current consumption (1 kHz, 10% THD): 18 amps

Our Product Research Team

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