LOS ANGELES, CA (08.17.26) – Diamond Audio, a premier leader in high-performance motorcycle audio, announced today that its revolutionary 8×12″ Cut-In Lid Kit (Model: MSHMX812F2BKLK24) for 2024 and newer Harley-Davidson touring models is officially shipping to authorized dealers and customers nationwide.
Engineered to set an unmatched benchmark in motorcycle audio output, design, and craftsmanship, this game-changing system delivers extreme volume and deeper bass without sacrificing valuable saddlebag space.
Patent-Pending Design & Unrivaled Cone Area
At the heart of the system is a patent-pending, two-piece waterproof housing design featuring integrated nut inserts to guarantee a rock-solid, weather-resistant fitment. By utilizing a massive 8×12″ coaxial speaker format (HMX812F2BK), Diamond Audio provides riders with the largest surface area available for maximum acoustic output.

Features & Technical Specifications (HMX812F2BK 8×12″ Coaxial System)
High-Output Performance: Rated at 250W RMS / 500W MAX with a nominal impedance of 2 Ohms and a sensitivity of 91 dB (1W/1M).
Frequency Response: 55 Hz – 20 kHz for powerful low-end punch and extended high-frequency clarity.
Rigid Carbon Fiber Cone: Maximizes air movement and transient response for high-output impact on the highway.
1.5″ Oversized Titanium Dome Tweeter: Engineered for crisp, musical highs that cut effortlessly through wind and exhaust noise.
Ultra-Light Neodymium Motor: High-energy magnet structure paired with MAX XMAX suspension for extreme cone travel at minimal weight.

Weather-Resistant Build: 100% UV-stable, high-temp composite basket, resistant to water spray and salt water.
All-Inclusive Complete System
Every MSHMX812F2BKLK24 kit comes complete with everything required for a seamless installation:
- High-precision cutting templates
- OEM-grade plastics & durable mesh grills
- HMX812F2BK 8×12″ 2-way 2-ohm coaxial speaker pair
- Robust mounting hardware & plug-and-play wiring harness

“With the 2024+ Harley platform, we didn’t just want to make another speaker kit—we wanted to dominate the space,” said John Catalano, Director of Product Development at Diamond Audio. “By combining our 8×12″ coaxial drivers with a patent-pending housing that stands up to the harshest elements, we’re delivering more sound pressure and volume than anything else on the market without compromising bag functionality.”
Availability
The Diamond Audio MSHMX812F2BKLK24 Cut-In Lid Kit is now officially shipping and available through authorized Diamond Audio dealers. For complete technical specifications or to find a dealer, visit diamondaudio.com or email info@diamondaudio.com











