Blaupunkt Velocity Series PDx 4.120D - PRO | 1400W Max 4-Channel Class D Car Amplifier

Product Overview

The Blaupunkt Velocity Series PDx 4.120D - PRO is a powerhouse engineered for those who refuse to compromise on sound quality or space. Utilizing advanced Class D Technology, this 4-channel amplifier delivers massive power with high efficiency, ensuring your car audio system stays cool while hitting hard.

With a massive 1400W Max Output and 120W RMS per channel, the PDx 4.120D - PRO provides the "muscle" needed to drive premium component speakers or subwoofers with clinical precision. Its ultra-compact chassis makes it the perfect "stealth" upgrade, fitting easily under seats or in tight panels without sacrificing performance.

Key Features:

• High-Efficiency Class D: Maximum power conversion with minimal heat buildup for long-lasting, reliable performance.

• Versatile Configuration: Functions as a 4, 3, or 2-channel amplifier. Bridge it to 320W x 2 to drive powerful subwoofers.

• Audiophile Clarity: A wide frequency response (10Hz–50kHz) and high Signal-to-Noise Ratio (>95dB) ensure crisp highs and deep, controlled lows.

• Pro-Grade Integration: Includes High-Level inputs with DC Offset, making it compatible with both factory (OEM) and aftermarket head units.

• Compact Footprint: High-density design allows for easy installation in modern vehicles where space is at a premium.

Technical Specifications

• Type: 4-Channel Class D Amplifier

• RMS Power (4-Ohm): 4 x 120W

• RMS Power (2-Ohm): 4 x 160W

• Bridged Power (4-Ohm): 2 x 320W

• Max Total Power: 1400 Watts

• Frequency Response: 10Hz – 50,000Hz

• Signal-to-Noise Ratio: >95dB

• Total Harmonic Distortion (THD): <0.10%

• Input Sensitivity: 0.25V – 6V

• Dimensions: Approx. 200mm x 112mm x 53mm (Ultra-Compact)

Frequently Asked Questions (FAQ)

Q: What system setups work best with the Blaupunkt PDX 4.120D Pro?

A: This amplifier is extremely versatile:

• 4-Channel Setup: Powers four door speakers (front left/right + rear left/right) for complete cabin sound.

• 3-Channel Setup: Powers a pair of front stage component speakers on Channels 1 & 2, while Channels 3 & 4 are bridged to power a single subwoofer.

• 2-Channel Bridged Setup: Bridges all 4 channels down to 2 channels for high-power, high-demand front drivers or twin mid-bass drivers.

Q: What wiring gauge is recommended for installing this amplifier?

A: We recommend using a high-quality 4 AWG or 8 AWG Oxygen-Free Copper (OFC) wiring kit along with a properly rated inline fuse holder to guarantee clean current delivery.

Q: Does Class-D design make a big difference in heat and power draw?

A: Yes! Class-D topology operates at over $80\text{--}90\%$ efficiency compared to traditional Class-AB amps ($50\text{--}60\%$). This means it generates significantly less heat and draws less current from your vehicle's alternator while delivering high power output.