Shipping
Installation: Available at select stores
More installation info is available in checkout
Specifications
Continuous Watts x Channel @ Ohms75 x 4 x 2; 75 x 4 x 4Maximum Watts x Channel @ Ohms150 x 4 x 2; 150 x 4 x 4Amplifier ClassDNumber Of Channels4Bass BoostNoneSpeaker-Level InputsYes
Key Specs
Continuous Watts x Channel @ Ohms75 x 4 x 2; 75 x 4 x 4Maximum Watts x Channel @ Ohms150 x 4 x 2; 150 x 4 x 4Amplifier ClassDNumber Of Channels4Bass BoostNoneSpeaker-Level InputsYes
General
Product Name300W Class D Multichannel AmplifierBrandAlpineMounting Hardware IncludedYesModel NumberKTA-30FWColorBlackColor CategoryBlack
Audio Power
Continuous Watts x Channel @ Ohms75 x 4 x 2; 75 x 4 x 4Total Power Handling RMS300 wattsWatts Per Channel RMS75 wattsMaximum Watts x Channel @ Ohms150 x 4 x 2; 150 x 4 x 4Total Power Handling Maximum600 wattsWatts Per Channel Maximum150 wattsAmplifier ClassD
Audio
Number Of Channels4Minimum Frequency Response15 hertzMaximum Frequency Response36 kilohertzTotal Harmonic Distortion0.05 percentSignal-to-Noise Ratio (SNR)82 decibelsBass BoostNone
Features
Bluetooth EnabledNo
Input
Line-Level InputsYesSpeaker-Level InputsYes
Dimension
Product Height1.63 inchesProduct Width9.19 inchesProduct Depth3.75 inchesProduct Weight1.1 pounds
Warranty
Manufacturer's Warranty - Parts1 yearManufacturer's Warranty - Labor1 year
Other
UPC793276242082
Bring your music outdoors with this Alpine four-channel amplifier. With a weather-resistant power pack and waterproof connectors, it's ideal for use in open vehicles, and its compact size makes it easy to store in motorcycle saddlebags. This Alpine four-channel amplifier senses when it needs to increase the internal gain level for louder volume.
300W total power
Features RMS rating of 75W x 4 at 4 ohms/2 ohms, and is four channels driven for robust audio.
High- and low-pass crossovers
Ensure flexible operation.
4-ohm impedance
Conducts power evenly to keep the speaker at an appropriate level.
Dynamic Peak Power (DPP) technology
Delivers bursts of power during rigorous musical passages.
Class-D circuitry
Ensures reliable power handling.
Weather-resistant design
Rated at IP66 for protection against dust ingress and high-pressure water spray. Good choice for use in exposed installations, such as side-by-sides, boats, open-top vehicles, and motorcycles saddlebags.
What's Included
Alpine 300W Class D Multichannel Amplifier
Input/Output/Power Wire Harness
Owner's manual
Manuals & Guides
User Manual (PDF)
Search
Q: QuestionWhat is the warranty period for the amplifier?(1 answer)
A: AnswerThe manufacturer's warranty for both parts and labor on the amplifier is 1 year.This question and answer was generated by AI based on customer and product data.Q: QuestionWhat is the amplifier's signal-to-noise ratio?(1 answer)
A: AnswerThe signal-to-noise ratio (SNR) is 82 decibels.This question and answer was generated by AI based on customer and product data.Q: QuestionWhat is the maximum power output of the amplifier?(1 answer)
A: AnswerThe maximum power output of the amplifier is 600 watts.This question and answer was generated by AI based on customer and product data.Q: QuestionWhat is the amplifier's weight?(1 answer)
A: AnswerThe product weight of the amplifier is 1.1 pounds.This question and answer was generated by AI based on customer and product data.Q: QuestionHow many channels does the amplifier have?(1 answer)
A: AnswerThis amplifier has four channels.This question and answer was generated by AI based on customer and product data.Q: QuestionDoes the amplifier have Bluetooth connectivity?(1 answer)
A: AnswerThis amplifier does not have Bluetooth connectivity.This question and answer was generated by AI based on customer and product data.Q: QuestionCan the amplifier be used with speaker-level inputs?(1 answer)
A: AnswerThis amplifier can be used with speaker-level inputs.This question and answer was generated by AI based on customer and product data.Q: QuestionWhat are the amplifier's dimensions?(1 answer)
A: AnswerThe amplifier's dimensions are 1.63 inches high, 3.75 inches deep, and 9.19 inches wide.This question and answer was generated by AI based on customer and product data.
Reviews
Rating 1.5 out of 5 stars with 2 reviews
1.5The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 1 out of 5 stars
Most expensive peace of…
This is the most expensive peace of amplifier i ever bought. And by that i mean price/quality. Usually these type of equipment cost around $100.. i couldnt return it so i went on my back yard and burnt it.
Posted by Amplitude
Rated 2 out of 5 stars
Good power but 1 serious problem
RCAs, power wire, ground, is all ran into same side of amp, so theres a constant feeback loud buzzing, i swapped to the kicker 360w 4 channel and my issue was immediately fixed.
Posted by Finfan