High Level Front Speaker Upgrade – Hertz Mille Pro MPK 165.3 + Hertz ML Power 4

The details

Supplied and fitted at our workshop in Newton Abbot, Devon with a 5 year parts and labour warranty.

For the true audiophile, the Hertz Mille Pro MPK 165.3 is the ultimate in-car audio experience. Designed for precision and depth, this high-end component set delivers ultra-clean highs, tight controlled bass, and a beautifully rich midrange. Matched with the Hertz ML Power 4 amplifier, the Mille Pro set is powered with extreme accuracy, giving you full control and headroom to bring your favourite tracks to life in stunning detail.

Supplied and expertly installed with a 5-year parts and labour warranty, this package includes vehicle-specific mounts, custom silicone cones for long-term durability, and entry-level sound deadening to cut out panel rattle. Maximise performance with our optional premium 3-layer sound deadening for full acoustic isolation.

Speaker Specs:

• Size: 6.5" (165mm)

• Power Handling: 115W RMS / 230W Peak

• Impedance: 4 Ohms

• Sensitivity: 92 dB

• Crossover: Bi-amp ready external passive crossover

• Tweeter Type: Tetolon dome with acoustic lens

• Woofer Construction: Pressed pulp cone with Boundary Free rubber surround

• Extras: V-cone profile for extended off-axis response

Amplifier – Hertz ML Power 4:

• Channels: 4-Channel Class D (Full Range)

• Power Output: 150W RMS x 4 @ 4Ω or 500W x 2 bridged @ 4Ω

• High-End Design: Made for the Mille series with ultra-low distortion

• Advanced DSP-ready integration and superior thermal efficiency