Description
Hertz MP 165.3 PRO – 6.5″ Midbass Car Woofer (90W RMS, 180W Peak, 4Ω)
Hertz MP 165.3 PRO – Premium 165 mm Midbass Woofer for High-Performance Car Audio
The Hertz MP 165.3 PRO is a high-end 6.5-inch (165 mm) midbass woofer from the acclaimed Hertz Mille PRO series, engineered for audiophiles and demanding car audio enthusiasts. Featuring Hertz’s exclusive V-cone® profile and Boundary Free Surround technology, this woofer delivers exceptionally wide sound dispersion, powerful midbass and impressive sound pressure levels, even in vehicles without a dedicated subwoofer.
With 90W RMS, 180W peak power, 93 dB sensitivity, and an extended frequency response of 40 Hz – 5 kHz, the MP 165.3 PRO produces deep, controlled bass and natural midrange reproduction with remarkable clarity and dynamics.
V-cone® Technology for Wider Sound Dispersion
The MP 165.3 PRO utilizes Hertz’s patented V-cone® geometry to improve off-axis performance.
Benefits include:
- Wider sound dispersion
- Improved stereo imaging
- Natural vocal reproduction
- Better listening experience from factory speaker locations
- Enhanced overall soundstage
This technology allows the speaker to deliver balanced sound even when mounted in vehicle doors.
Boundary Free Surround for Maximum Bass Performance
The exclusive Boundary Free Surround suspension increases the effective cone area while maintaining compact dimensions.
Advantages include:
- Greater cone excursion
- Stronger low-frequency output
- Higher sound pressure levels (SPL)
- Improved bass extension
- Lower distortion at high volume
This design enables deep and powerful bass, even in vehicles where adding a subwoofer is not practical.
Pressed-Pulp Cone with Cotton Fibers
The woofer cone is constructed from pressed pulp reinforced with cotton fibers.
This premium material provides:
- Lightweight construction
- Excellent rigidity
- Natural tonal balance
- Fast transient response
- Reduced unwanted resonance
The result is accurate, dynamic and highly musical sound reproduction.
High-Efficiency Ferrite Magnet System
The MP 165.3 PRO features a high-density ferrite magnet engineered for maximum efficiency.
It delivers:
- Strong magnetic control
- Excellent cone stability
- High output capability
- Low distortion
- Consistent performance at elevated listening levels
Long-Excursion Voice Coil
The 25 mm voice coil combined with a ±7 mm mechanical excursion (Xmech) provides:
- High power handling
- Excellent thermal stability
- Increased bass output
- Greater linear cone movement
- Reliable long-term performance
This design allows the woofer to reproduce demanding bass passages with outstanding precision.
Key Features
- Premium 6.5″ (165 mm) midbass woofer
- 90W RMS / 180W Peak power handling
- 4 Ohm impedance
- 93 dB sensitivity
- Frequency response: 40 Hz – 5 kHz
- Exclusive V-cone® technology
- Boundary Free Surround suspension
- Pressed-pulp cone with cotton fibers
- High-density ferrite magnet
- 25 mm voice coil
- ±7 mm mechanical excursion
- Excellent bass performance without a subwoofer
Recommended Applications
The Hertz MP 165.3 PRO is ideal for:
- Premium component speaker systems
- High-end front door installations
- DSP-controlled audio systems
- SQ (Sound Quality) builds
- High-SPL installations
- Vehicles with limited space for subwoofers
Technical Specifications
| Specification | Value |
|---|---|
| Speaker Type | Midbass Woofer |
| Speaker Size | 165 mm (6.5″) |
| RMS Power | 90 W |
| Peak Power | 180 W |
| Impedance | 4 Ω |
| Frequency Response | 40 Hz – 5 kHz |
| Sensitivity | 93 dB |
| Voice Coil | 25 mm |
| Cone Material | Pressed-Pulp with Cotton Fibers |
| Magnet | High-Density Ferrite |
| Mechanical Excursion (Xmech) | ±7 mm |
Why Choose Hertz MP 165.3 PRO?
The Hertz MP 165.3 PRO is engineered for enthusiasts who demand exceptional midbass performance, natural sound reproduction and outstanding dynamics. Its advanced V-cone® and Boundary Free Surround technologies, combined with premium cone materials and a powerful magnetic system, deliver deep bass, excellent efficiency and impressive sound quality across a wide listening area.
Whether you’re building a competition-level audio system or upgrading your daily driver, the MP 165.3 PRO offers the premium performance and reliability expected from the Hertz Mille PRO series.
Upgrade Your Car Audio with Hertz Mille PRO
Experience deeper bass, wider sound dispersion and uncompromising audio quality with the Hertz MP 165.3 PRO. Designed for high-performance car audio systems, it delivers the precision, dynamics and musicality that define the Hertz Mille PRO lineup.

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