Alpine KTA-30FW
250 Watt Tough Power Pack Compact all-weather 4-channel amplifier
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Alpine KTA-30FW 4-Channel Weather-Resistant Tough Power Pack Amplifier
The Alpine KTA-30FW is a compact, weather-resistant 4-channel amplifier designed to deliver powerful sound performance in challenging environments. Featuring Alpine's exclusive Dynamic Peak Power (DPP) technology, this amplifier provides bursts of power during demanding musical passages, effectively doubling the output for a significant increase in dynamic range at high volumes. Its rugged design and IP66 rating make it ideal for use in side-by-sides, boats, motorcycles, and other vehicles exposed to the elements.
Key Features
| Feature | Details |
|---|---|
| Power Output | 75W RMS x 4 (2Ω/4Ω, 14.4V, ≤1% THD+N); 150W x 4 DPP (2Ω/4Ω, 14.4V, ≤1% THD+N) |
| Amplifier Class | Class D with Dynamic Peak Power (DPP) technology |
| Weather Resistance | IP66 rated chassis and waterproof connector for protection against dust and high-pressure water spray |
| Inputs | Selectable Speaker-level (0.5–10V) and RCA (0.2–4V) inputs; 2-channel or 4-channel input configuration |
| Crossovers | Selectable Off/High-Pass/Low-Pass filters; Frequency range: 50–400Hz @ -12dB/Octave (variable) |
| Signal-to-Noise Ratio | 82dB (ref. 1W into 4Ω) |
| Total Harmonic Distortion | ≤0.05% |
| Design | Ultra-compact size: 9-3/16" (W) x 1-5/8" (H) x 3-3/4" (D); suitable for installations with limited space |
What’s in the Box
| Alpine KTA-30FW 4-Channel Amplifier |
| 14" Power/Signal Harness (26-pin connector to bare wires and RCAs) |
| 4 Self-Tapping Screws (3/4" length) |
| Connection Sheet |
| Owner's Manual |
| Limited Warranty Sheet |
| Thank You Letter |
Technical Specifications
| Spec | Value |
|---|---|
| RMS Power Output | 75W x 4 @ 2Ω/4Ω (14.4V, ≤1% THD+N) |
| Dynamic Peak Power | 150W x 4 @ 2Ω/4Ω (14.4V, ≤1% THD+N) |
| Bridged Power Output | 150W x 2 @ 4Ω |
| Frequency Response | 15Hz – 36kHz |
| Signal-to-Noise Ratio | 82dB |
| Input Sensitivity | Speaker-level: 0.5–10V; RCA: 0.2–4V |
| Minimum Impedance | 2Ω (unbridged); 4Ω (bridged) |
| Fuse Rating | 30A (external fuse required) |
| Dimensions (W×H×D) | 9-3/16" × 1-5/8" × 3-3/4" |
| Warranty | 1 Year |
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.