Hertz MLK 1650.3 Legend 6.5" 2-Way Component Speaker System
Some speakers are built to be loud. The Hertz MLK 1650.3 Legend is built to be accurate. This is a speaker system for purists — people who want to hear their music exactly as it was recorded, with every nuance, every texture, and every dynamic shift reproduced faithfully inside their car. With bi-amplification capability, selectable crossover points, and a frequency response that stretches to 25,000 Hz, the MLK 1650.3 Legend is one of the most technically capable 6.5-inch component systems available.
What is the Hertz Mille Legend MLK 1650.3 ?
The MLK 1650.3 Legend is a 6.5-inch (165mm) 2-way component car speaker system from Hertz's flagship Legend series. It pairs a large-format woofer featuring a 36mm voice coil with a 35mm tweeter and the sophisticated MLCX 2 TW.3 passive crossover. The crossover supports both passive and bi-amplified operation, and features independent Mid-Contour and Hi-Contour selectors that let you adjust the crossover point to suit your car's acoustics and your personal sound preference. The system handles 300W peak and 150W continuous power.
Why Choose the Hertz MLK 1650.3 Legend?
- ✅ Flagship Legend series engineering — Hertz's most refined 2-way component system
- ✅ Bi-amplification ready — connect two separate amplifier channels for dramatically improved dynamics
- ✅ Selectable crossover points (2.5 kHz or 3.5 kHz) via Mid-Contour and Hi-Contour controls
- ✅ Large 36mm woofer voice coil for exceptional power handling and thermal stability
- ✅ 35mm tweeter with 28mm voice coil for extended, detailed high-frequency reproduction up to 25,000 Hz
- ✅ 92 dB sensitivity — efficient performance with or without a dedicated amplifier
- ✅ Designed for maximum timbre consistency — instruments and vocals sound true to life
- ✅ Fits standard 6.5-inch speaker locations in most cars
Key Features
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6.5-inch (165mm) Woofer with 36mm Voice Coil: The oversized 36mm voice coil handles heat far more effectively than standard coils, allowing sustained high-power operation without compression or distortion
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35mm (1.38-inch) Tweeter with 28mm Voice Coil: A large-format tweeter that extends high-frequency response to 25,000 Hz — capturing the finest detail in cymbals, strings, and vocal harmonics
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300W Peak / 150W Continuous Power: Built for serious amplifier setups, with headroom to spare for dynamic musical peaks
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4 Ohm Impedance: Compatible with virtually all aftermarket head units and amplifiers
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92 dB Sensitivity: Gets loud efficiently, whether driven by a head unit or a dedicated amplifier
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40 Hz – 25,000 Hz Frequency Response: One of the widest frequency responses available in a 6.5-inch component system
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MLCX 2 TW.3 Crossover with Bi-Amp Switch: A solidly built crossover with a physical switch to enable bi-amplified operation — connecting two separate amplifier channels to drive woofer and tweeter independently
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Mid-Contour & Hi-Contour Selectors: Two independent 2-position selectors that adjust the woofer and tweeter crossover cut-off frequencies, giving you four possible crossover configurations to match your car and taste
Advanced Technologies
Bi-Amplification Capability: The MLCX 2 TW.3 crossover features a solidly built switch that enables bi-amplified operation. In bi-amp mode, you connect two separate amplifier channels — one dedicated to the woofer, one to the tweeter — rather than splitting a single channel through the passive crossover. This gives each driver its own power supply, eliminates passive crossover losses, and dramatically increases the system's dynamic range and control. It's the same principle used in high-end home audio, now available in your car.
Mid-Contour and Hi-Contour Crossover Controls: Most passive crossovers have a fixed crossover point. The MLCX 2 TW.3 gives you a choice. The Mid-Contour selector adjusts the woofer's cut-off frequency, and the Hi-Contour selector adjusts the tweeter's cut-off frequency — each with two positions. With both controls set to ON, the crossover point is 2.5 kHz; with both set to OFF, it shifts to 3.5 kHz. This lets you tune the system to your car's specific acoustics, your tweeter mounting position, and your personal preference without any external equaliser or DSP.
Large-Format Voice Coils: The woofer's 36mm voice coil is significantly larger than the 25mm coils found in standard component speakers. A larger voice coil dissipates heat more effectively, which means the speaker maintains consistent performance under sustained high-power use — no compression, no thermal rolloff, just clean, dynamic sound from the first track to the last.
Benefits
- 🎵 Hear your music with a level of accuracy and timbre consistency that most car speakers can't approach
- 🔊 Extended bass from a 6.5-inch woofer — 40 Hz low-end reach without a dedicated subwoofer
- 🎧 Crisp, detailed highs up to 25,000 Hz — every cymbal, string, and vocal harmonic is reproduced faithfully
- ⚡ Bi-amp mode unlocks dramatically better dynamics — a genuine upgrade path as your system grows
- 🎛️ Four crossover configurations via Mid-Contour and Hi-Contour controls — tune to your car without extra equipment
- 🏆 Hertz Legend series quality — the pinnacle of Hertz's component speaker engineering
Who Should Buy the Hertz MLK 1650.3 Legend?
- Purists and audiophiles who prioritise timbre accuracy and natural sound reproduction above all else
- Experienced car audio enthusiasts building a high-end system with a dedicated amplifier or multi-channel setup
- Anyone planning a bi-amplified front stage who wants a speaker system designed for exactly that configuration
- Music lovers who listen to acoustic, jazz, classical, or vocal music where tonal accuracy is critical
- Drivers upgrading from a Mille Pro or Cento series system who want the next level of performance
Technical Specifications
| Specification |
Value |
| System Type |
2-Way Component System |
| Woofer Size |
165 mm (6.5 in.) |
| Power Handling – Continuous |
150 W |
| Power Handling – Peak |
300 W |
| Impedance |
4 Ohm |
| Sensitivity |
92 dB SPL |
| Frequency Response |
40 Hz – 25,000 Hz |
| Tweeter Diaphragm |
35 mm (1.38 in.) |
| Woofer Voice Coil Diameter |
36 mm (1.4 in.) |
| Tweeter Voice Coil Diameter |
28 mm (1.1 in.) |
| Crossover Type |
2-Way Passive Crossover (MLCX 2 TW.3) |
| Crossover Cut-off (Mid/Hi-Cont. ON) |
2.5 kHz |
| Crossover Cut-off (Mid/Hi-Cont. OFF) |
3.5 kHz |
| Bi-Amplification |
Yes (via crossover switch) |
| Mid-Contour Control |
2-position selector (ON / OFF) |
| Hi-Contour Control |
2-position selector (ON / OFF) |
| Woofer Weight |
1.29 kg (2.84 lb) |
| Tweeter Weight |
0.10 kg (0.22 lb) |
| Crossover Weight |
0.57 kg (1.26 lb) |
Why Choose Dolphin Accessories?
- ✅ 100% Genuine Products — Every Hertz speaker we sell is sourced directly from authorised distributors. No grey market, no counterfeits.
- ✅ Expert Guidance — Our team understands car audio. We’ll help you match the right speakers, amplifier, and head unit for your specific car and budget.
- ✅ Pan-India Delivery — We ship to every corner of India, with fast dispatch and reliable courier partners.
- ✅ Secure Packaging — Speakers are fragile. We pack every order to survive the journey, so your product arrives in perfect condition.
- ✅ After-Sales Support — Have a question after your purchase? Our support team is here to help with installation guidance and warranty queries.
- ✅ Trusted by Enthusiasts — Dolphin Accessories is the go-to destination for serious car audio upgrades across India.
Frequently Asked Questions
Q: What does the Hertz MLK 1650.3 Legend include in the box?
A: The kit includes a pair of 6.5-inch woofers, a pair of 35mm tweeters, and a pair of MLCX 2 TW.3 passive crossovers — everything needed for a complete 2-way component installation.
Q: What is bi-amplification and how does it work on the MLK 1650.3 Legend?
A: Bi-amplification means connecting two separate amplifier channels to the crossover — one channel drives the woofer and the other drives the tweeter independently. The MLCX 2 TW.3 crossover has a physical switch to enable this mode. In bi-amp operation, each driver gets its own dedicated power, which eliminates passive crossover losses and significantly improves dynamics, control, and overall sound quality.
Q: What is the difference between the Mid-Contour and Hi-Contour controls?
A: The Mid-Contour selector adjusts the woofer’s crossover cut-off frequency, and the Hi-Contour selector adjusts the tweeter’s cut-off frequency. Each has two positions (ON or OFF). With both set to ON, the crossover point is 2.5 kHz; with both set to OFF, it shifts to 3.5 kHz. This gives you four possible crossover configurations to tune the system to your car and preference.
Q: Do I need a bi-amplified setup to use the MLK 1650.3 Legend?
A: No. The system works perfectly in standard passive mode with a single amplifier channel per side. Bi-amplification is an optional upgrade path that unlocks additional performance when you’re ready for it.
Q: What amplifier power is recommended for the MLK 1650.3 Legend?
A: The speakers handle 150W continuous and 300W peak at 4 Ohm. In passive mode, an amplifier delivering 100W–150W RMS per channel at 4 Ohm is ideal. In bi-amp mode, you can use two channels of 75W–150W RMS each for woofer and tweeter separately.
Q: Will the Hertz MLK 1650.3 Legend fit my car’s factory speaker location?
A: The 6.5-inch (165mm) woofer fits the most common factory speaker cutout in doors and rear decks. We recommend checking your vehicle’s mounting depth and cutout diameter before installation, as the larger woofer and crossover may require more space than standard speakers.
Q: Why does the MLK 1650.3 Legend have a 36mm woofer voice coil when most 6.5-inch speakers use 25mm?
A: A larger voice coil dissipates heat more effectively under sustained high-power use. This means the woofer maintains consistent performance without thermal compression — the gradual loss of volume and dynamics that happens when a speaker’s voice coil overheats. The result is cleaner, more dynamic sound over long listening sessions.
Q: What is the frequency response of the MLK 1650.3 Legend?
A: The system covers 40 Hz to 25,000 Hz — one of the widest frequency responses available in a 6.5-inch component system. The 25 kHz upper limit means the tweeter reproduces frequencies beyond the standard 20 kHz limit of most speakers, capturing ultra-fine detail in high-resolution audio recordings.
Q: Where should I mount the tweeters?
A: For the best soundstage, mount the 35mm tweeters on the A-pillar or dashboard, angled toward the listening position. The Hi-Contour control lets you adjust the tweeter’s crossover point to compensate for different mounting positions and distances from the listener.
Q: How does the MLK 1650.3 Legend compare to the Hertz MPK 165.3 PRO (Mille Pro series)?
A: The MLK 1650.3 Legend sits above the Mille Pro series in Hertz’s lineup. Key differences include the larger 36mm woofer voice coil (vs 25mm), the larger 35mm tweeter (vs 29mm), bi-amplification capability, and the selectable crossover points via Mid-Contour and Hi-Contour controls. The Legend series is designed for purists who want the maximum possible timbre accuracy and system flexibility.
Q: Is the Hertz MLK 1650.3 Legend compatible with a standard car stereo head unit?
A: Yes — the 4 Ohm impedance and 92 dB sensitivity mean a quality aftermarket head unit will drive them to reasonable volume in passive mode. However, to fully exploit the Legend series’ capabilities, a dedicated amplifier (and ideally bi-amplification) is strongly recommended.
Q: Does the Hertz MLK 1650.3 Legend come with a warranty?
A: Yes, Hertz products sold through authorised dealers like Dolphin Accessories come with the manufacturer’s warranty. Please contact us for specific warranty terms applicable to your purchase.
