Genuine JL Audio marine speakers, the M3-650X-S-GM is a 6.5-inch (165 mm) 2-way coaxial speaker system finished with Gunmetal Sport grilles. Built for open-boat listening, these speakers are designed for infinite-baffle / free-air installs and use marine-grade materials for long-term UV and corrosion resistance.

OEM / reference numbers: M3-650X-S-GM (JL Audio SKU/Ref. 93512). Also commonly referenced as 010-03061-00.

• Sold as: Pair (2 speakers with Sport grilles)
• Size: 6.5 in coaxial, 2-way
• Power handling (continuous): 60 W RMS per speaker
• Recommended amplifier power: 20–120 W per channel
• Impedance: 4 Ω
• Frequency response: 55 Hz – 25 kHz (±3 dB)
• Sensitivity: 89.5 dB @ 1 W / 1 m
• Tweeter: 0.75 in (19 mm) silk dome
• Woofer: Injection-molded, mica-filled polypropylene cone with synthetic rubber surround
• Mounting: Standard 6.5 in marine format with wide flange and 6-hole pattern

Installation dimensions (per speaker):

• Frame outer diameter: 6.90 in (175 mm)
• Mounting hole diameter: 5.00–5.25 in (127–133 mm)
• Mounting depth: 2.78 in (71 mm)
• Grille protrusion (Sport): 1.01 in (26 mm)

Notes: For best low-frequency performance, JL Audio recommends a large air volume behind the speaker (approx. 2 cu ft / 57 L). Confirm ratings, wiring, cutout size and mounting depth before ordering to ensure correct fitment and safe amplifier matching.