About: DS18 PRO-GM6.4 6.5" Mid-Range Loudspeaker 140 Watts RMS- 4 Ohms (Each) 

Experience the thrill of crystal-clear sound and heart-pounding bass with DS18’s PRO-GM6.4! This remarkable mid-range loudspeaker is the latest rendition of our highly acclaimed PRO-GM6 speaker, but with a twist. We've upgraded it to 4 ohms, creating a speaker that pushes boundaries like never before. These speakers deliver an audio experience that transcends expectations, delivering unparalleled performance and precision. With an impressive RMS power handling of 140W and a maximum power rating of 480W, the PRO-GM6.4 stands as one of the most potent mid-range loudspeakers in our catalog. Its wide frequency range of 98Hz to 10kHz ensures that every note is reproduced with astonishing accuracy.

The PRO-GM6.4 is tailored for those who demand nothing short of perfection from their 6-inch speakers. Featuring non-pressed paper cones and steel pressed frames, these speakers boast exceptional durability and reliability. The 30oz ferrite magnet provides a solid foundation, allowing the PRO-GM6.4 to handle even the most intense audio demands with ease. One of the standout features of the PRO-GM6.4 is its sealed back design. This innovative design allows you to confidently install these speakers in boxes with high turbulence or pressure without fear of damaging the cones. Whether you prefer stunt walls or chuchero boxes with mid-bass or bass speakers, the PRO-GM6.4 seamlessly integrates into and enhances your existing audio setup, taking it to unprecedented levels of performance. Immerse yourself in the music, feel the vibrations in your chest, and let the PRO-GM6.4 transport you to new dimensions of sound.

Product Highlights: 

• 6.5" Mid-Range
• MAX Power: 480 Watts
• RMS Power: 140 Watts
• Impedance: 4-Ohm
• Ferrite Magnet

Specifications:

• Nominal Diameter: 6.5" / 165.1mm
• Nominal Impedance: 4 Ohm
• RMS Power Handling: 140W
• MAX Power Handling: 480W
• Sensitivity (1w/1m): 92dB
• Frequency Response: 100Hz-10KHz
• Recommended HI Pass Crossover: 120Hz
• Pair or Single: Single
• Grill Included: No

Motor: 

• Voice Coil Diameter: 1.5" / 38.1mm
• Voice Coil Former Material: Kapton
• Winding Material: CCAW
• Cone Material: Paper
• Dust Cap Material: Paper
• Bullet Material / Color: N/A
• Surround Material: Cloth
• Basket Material: Steel
• Basket Color/Finish: Matte Black
• Magnet Material: Ferrite
• Magnet Weight: 23 oz

Thiele & Small Parameters: 

• Equivalent Volume (Vas): 7.15L / 0.252ft3
• Excursion (one way) (Xmax): N/A
• Free Air Resonance (Fs): 102Hz
• Mechanical Factor (Qms): 11
• Electrical Factor (Qes): 0.729
• Total Factor (Qts): 0.684
• Mechanical Mass (Mms): 8.384g
• Mechanical Compliance (Cms): 0.289mm/N
• BL Factor: 4.95
• Voice Coil Inductance (Le): 0.411mH
• Cone Area (Sd): 132.73cm2
• DC Resistance (Re): 3.3 ohm

Measurements: 

• Overall Diameter: 6.57" / 167mm
• Overall Depth: 2.7" / 69mm
• Front Mount Baffle Cutout: 5.7" / 145 mm
• Mounting Depth: 2.5" / 64mm
• Motor Diameter: 4.33" / 110mm
• Gross Single Unit Weight (lb): 4
• Dimensions (W x L x H): 7.3" x 7.3" x 3.25"