Description
Included in this kit
This bundle includes a Diamond Audio DMDX65 - DMDX Series 6.5" 2-way Concentric Coaxial Speakers, 2x Metra 72-7800 Speaker Wiring Harness For select 1991-up Honda and Acura vehicles, and a Diamond Audio DMDX65C - DMDX Series 6.5" 2-way Component Speakers.
1x Diamond Audio DMDX65 - DMDX Series 6.5" 2-way Concentric Coaxial Speakers - (DMDX65)
Diamond Audio DMDX 6.5" Concentric Coaxial Speakers
The Diamond Audio DMDX 6.5" Concentric Coaxial Speakers are designed to deliver high-fidelity sound in a compact, installation-friendly format. Engineered for drivers seeking an upgrade over factory audio, the DMDX series balances clean power handling, smooth frequency response, and efficient output in a 6.5-inch platform.
Featuring a concentric coaxial design, these speakers provide detailed high frequencies, articulate midrange, and controlled low-frequency response—making them an ideal solution for OEM replacement or entry-level aftermarket systems.
Performance Highlights
Power Handling
Rated at 45 watts RMS with 135 watts maximum power handling for reliable everyday performance.
Full-Range Response
60Hz–20kHz frequency range supports balanced reproduction across lows, mids, and highs.
Efficient Sensitivity
87dB sensitivity (1W/1M) allows strong output with factory head units or external amplification.
4-Ohm Design
Nominal 4-ohm impedance ensures compatibility with standard automotive audio systems.
Installation & Fitment
Built in a 6.5-inch (165mm) format, the DMDX is well-suited for factory speaker replacement in compatible vehicles. Its shallow mounting depth supports installation in tighter door or rear deck locations.
Mounting Depth
1.77" (45mm)
Cut-Out Diameter
4.84" (123mm)
Overall Diameter
6.26" (159mm)
Overall Height
2.13" (54.1mm)
Specifications
| Nominal Diameter | 6.5" (165mm) |
| Power Handling (RMS) | 45 Watts |
| Power Handling (Max) | 135 Watts |
| Frequency Response | 60Hz – 20kHz |
| Sensitivity (1W/1M) | 87dB |
| Nominal Impedance | 4 Ohms |
| Free-Air Resonance (Fs) | 70Hz |
| Mounting Depth | 1.77" (45mm) |
| Cut-Out Diameter | 4.84" (123mm) |
| Overall Diameter | 6.26" (159mm) |
| Overall Height | 2.13" (54.1mm) |
2x Metra 72-7800 Speaker Wiring Harness For select 1991-up Honda and Acura vehicles - (72-7800)
Honda 82-Up Speaker Harness
Sold as pair
1x Diamond Audio DMDX65C - DMDX Series 6.5" 2-way Component Speakers - (DMDX65C)
Diamond Audio DMDX 6.5" Component Speaker System
The Diamond Audio DMDX 6.5" Component Speakers are engineered for drivers seeking accurate, high-fidelity sound in an affordable upgrade platform. Featuring a dedicated woofer and separate tweeter configuration, this component system is designed to deliver improved staging, clarity, and tonal balance over factory-installed speakers.
Built for everyday reliability and tuned for balanced performance, the DMDX component set offers clean power handling, efficient sensitivity, and full-range response in a compact 6.5-inch format.
Component System Design
Dedicated Woofer & Tweeter
Separate drivers are designed to improve soundstage width and overall clarity compared to coaxial configurations.
Balanced Full-Range Output
60Hz–20kHz frequency response supports detailed highs, articulate midrange, and controlled low-frequency reproduction.
Efficient Performance
87dB sensitivity (1W/1M) allows strong output with factory head units or external amplification.
4-Ohm Compatibility
Nominal 4-ohm impedance ensures seamless integration with most automotive audio systems.
Installation & Fitment
The 6.5-inch (165mm) woofer is designed for factory replacement applications in compatible vehicles. A shallow 1.77" (45mm) mounting depth supports installation in tighter door locations.
Mounting Depth
1.77" (45mm)
Cut-Out Diameter
4.84" (123mm)
Overall Diameter
6.26" (159mm)
Overall Height
2.13" (54.1mm)
Specifications
| Speaker Type | 6.5" Component System |
| Nominal Diameter | 6.5" (165mm) |
| Power Handling (RMS) | 45 Watts |
| Power Handling (Max) | 135 Watts |
| Frequency Response | 60Hz – 20kHz |
| Sensitivity (1W/1M) | 87dB |
| Nominal Impedance | 4 Ohms |
| Free-Air Resonance (Fs) | 70Hz |
| Mounting Depth | 1.77" (45mm) |
| Cut-Out Diameter | 4.84" (123mm) |
| Overall Diameter | 6.26" (159mm) |
| Overall Height | 2.13" (54.1mm) |