
ALPINE KTA-450 400w 4-Channel Car Amplifier

Alpine KTA-450 4-Channel 200 Watt RMS Power Pack AmplifierDynamic Peak Power (DPP) Technology
The KTA-450 features Alpine’s exclusive DPP technology, which automatically adjusts gain to adapt to musical needs. DPP prevents the amplifier from clipping music signals by supplying up to double the power to support rhythmic instruments that provide snappy sounds (like a snare drum, trumpet, or high-hat cymbals). During these dynamic musical passages, DPP instantly delivers bursts of power to meet the music's peak demands. The DPP technology enhances the KTA-450’s performance to 400 watts, essentially doubling the amplifier’s power without increasing its size. Other Power Pack amplifiers featuring DPP technology include the KTA-30FW and KTA-30MW.
General Features:
- Alpine KTA-450
- Class D 4-channel Weather-Resistant Power Pack Amplifier
- CES 2019 Innovation Award Winner in the In-Vehicle Audio/Video category
-
Power Handling
- 50W RMS x 4 @ 4 Ohms
- 45W RMS x 4 @ 2 Ohms
- Total Power Handling: 200W RMS
- CTA-2006 compliant
- Frequency Response: 15-50 Hz
- Total Harmonic Distortion (THD): <1%
- Signal to Noise Ratio: 83dB
- Selectable high-pass filters (60, 80, 120 Hz at 12 dB/octave) on front and rear channels
- Fuse Rating: 15A
- Dynamic Peak Power (D.P.P.) technology intelligently adjusts the gain to adapt to musical needs automatically
- Dimensions: 7” W x 3.5” H x 1.25” D
- Authorized Dealer
- 1-year Manufacturer's Warranty
What is in the KTA-450 Package:
- KTA-450 Package owner's manual
- 4-Channel amplifier
- Wiring harness
- Mounting plate
- 2 Mounting brackets
- 4 Wire-ties
- 4 Hex-head machine screws
- 2 Pan-head machine screws
- 4 Pan-head self-tapping screws
- Warranty Information
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.

Alpine KTA-450 4-Channel 200 Watt RMS Power Pack AmplifierDynamic Peak Power (DPP) Technology
The KTA-450 features Alpine’s exclusive DPP technology, which automatically adjusts gain to adapt to musical needs. DPP prevents the amplifier from clipping music signals by supplying up to double the power to support rhythmic instruments that provide snappy sounds (like a snare drum, trumpet, or high-hat cymbals). During these dynamic musical passages, DPP instantly delivers bursts of power to meet the music's peak demands. The DPP technology enhances the KTA-450’s performance to 400 watts, essentially doubling the amplifier’s power without increasing its size. Other Power Pack amplifiers featuring DPP technology include the KTA-30FW and KTA-30MW.
General Features:
- Alpine KTA-450
- Class D 4-channel Weather-Resistant Power Pack Amplifier
- CES 2019 Innovation Award Winner in the In-Vehicle Audio/Video category
-
Power Handling
- 50W RMS x 4 @ 4 Ohms
- 45W RMS x 4 @ 2 Ohms
- Total Power Handling: 200W RMS
- CTA-2006 compliant
- Frequency Response: 15-50 Hz
- Total Harmonic Distortion (THD): <1%
- Signal to Noise Ratio: 83dB
- Selectable high-pass filters (60, 80, 120 Hz at 12 dB/octave) on front and rear channels
- Fuse Rating: 15A
- Dynamic Peak Power (D.P.P.) technology intelligently adjusts the gain to adapt to musical needs automatically
- Dimensions: 7” W x 3.5” H x 1.25” D
- Authorized Dealer
- 1-year Manufacturer's Warranty
What is in the KTA-450 Package:
- KTA-450 Package owner's manual
- 4-Channel amplifier
- Wiring harness
- Mounting plate
- 2 Mounting brackets
- 4 Wire-ties
- 4 Hex-head machine screws
- 2 Pan-head machine screws
- 4 Pan-head self-tapping screws
- Warranty Information
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.
Description

Alpine KTA-450 4-Channel 200 Watt RMS Power Pack AmplifierDynamic Peak Power (DPP) Technology
The KTA-450 features Alpine’s exclusive DPP technology, which automatically adjusts gain to adapt to musical needs. DPP prevents the amplifier from clipping music signals by supplying up to double the power to support rhythmic instruments that provide snappy sounds (like a snare drum, trumpet, or high-hat cymbals). During these dynamic musical passages, DPP instantly delivers bursts of power to meet the music's peak demands. The DPP technology enhances the KTA-450’s performance to 400 watts, essentially doubling the amplifier’s power without increasing its size. Other Power Pack amplifiers featuring DPP technology include the KTA-30FW and KTA-30MW.
General Features:
- Alpine KTA-450
- Class D 4-channel Weather-Resistant Power Pack Amplifier
- CES 2019 Innovation Award Winner in the In-Vehicle Audio/Video category
-
Power Handling
- 50W RMS x 4 @ 4 Ohms
- 45W RMS x 4 @ 2 Ohms
- Total Power Handling: 200W RMS
- CTA-2006 compliant
- Frequency Response: 15-50 Hz
- Total Harmonic Distortion (THD): <1%
- Signal to Noise Ratio: 83dB
- Selectable high-pass filters (60, 80, 120 Hz at 12 dB/octave) on front and rear channels
- Fuse Rating: 15A
- Dynamic Peak Power (D.P.P.) technology intelligently adjusts the gain to adapt to musical needs automatically
- Dimensions: 7” W x 3.5” H x 1.25” D
- Authorized Dealer
- 1-year Manufacturer's Warranty
What is in the KTA-450 Package:
- KTA-450 Package owner's manual
- 4-Channel amplifier
- Wiring harness
- Mounting plate
- 2 Mounting brackets
- 4 Wire-ties
- 4 Hex-head machine screws
- 2 Pan-head machine screws
- 4 Pan-head self-tapping screws
- Warranty Information
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.




















