About: DS18 PRO-B6.4 6.5" Mid-Range 60W RMS Car Audio Loudspeaker with Bullet - 4 Ohm (Each) 

DS18’s PRO-B6.4 is engineered to redefine your idea of mid-range frequency audio reproduction. The PRO-B6.4 is a true powerhouse that will take your audio system to new heights with RMS power handling of 60W and a MAX power handling of 120W. Its strong ferrite magnet ensures that every powerful piece of equipment is held together, allowing you to unleash the full potential of your car's audio system. With its exceptional design and cutting-edge technology, this 6.5" speaker is meticulously crafted to deliver an unrivaled sound experience that will leave you spellbound.

One of the standout features of the PRO-B6.4 is its remarkable 93.4 dB sensitivity, allowing you to push the boundaries without fear of distortion or loss of quality. Immerse yourself in the exhilarating music experience you've always dreamed of, as every note and detail is brought to life with unparalleled clarity. Designed for the true audiophile, the PRO-B6.4 has an impressive frequency response range of 100Hz to 12.5KHz, guaranteeing an incredible range of tones and frequencies that will satisfy even the most discerning ears. From deep, soul-stirring bass to sparkling high notes, every nuance is reproduced with astonishing precision. Immerse yourself in the music you love and rediscover your favorite tracks like never before.

Rigorously tested and built to withstand intense jam sessions, the PRO-B6.4 ensures uncompromising durability. With a 1” high-powered voice coil, no matter how high you crank up the volume, the PRO-B6.4’s will stay true to their promise of delivering crystal-clear, distortion-free sound.

Product Highlights:  

• 6.5" Mid-Range
• MAX Power: 120 Watts
• RMS Power: 60 Watts
• Impedance: 4-Ohm
• Ferrite Magnet
• With Bullet

Specifications: 

• Nominal Diameter: 6.5" (165 mm)
• Nominal Impedance: 4 Ohm
• RMS Power Handling: 60W
• MAX Power Handling: 120W
• Sensitivity (1w/1m): 93.4dB
• Frequency Response: 100Hz - 12.5KHz
• Recommended HI Pass Crossover: 120Hz
• Grill Included: No 
• Sold Individually 

Motor:

• Voice Coil Diameter: 1" (25 mm)
• Voice Coil Former Material: KSV
• Winding Material: CCAW
• Cone Material: Paper
• Bullet Material: High temperature resistant ABS
• Bullet Color: Black Matte
• Surround Material: Cloth
• Basket Material: Steel
• Basket Color/Finish: Black Matte
• Magnet Material: Ferrite
• Magnet Weight: 14.4 Oz

Thiele & Small Parameters: 

• Equivalent Volume (Vas): 5.86L / 0.207ft3
• Excursion (one way) (Xmax): 3mm
• Free Air Resonance (Fs): 144Hz
• Mechanical Factor (Qms): 10.49
• Electrical Factor (Qes): 2.183
• Total Factor (Qts): 1.807
• Mechanical Mass (Mms): 5.98g
• Mechanical Compliance (Cms): 201.495m/N
• BL Factor (BL): 2.87
• Voice Coil Inductance (Le): 0.16mH
• Cone Area (Sd): 132Cm2
• DC Resistance (Re): 3.3 Ω
• Mechanical Mass w/o air (Mmd): 5g

Measurement: 

• Overall Diameter: 6.46" (164 mm)
• Overall Depth: 2.8" (71 mm)
• Front Mount Baffle Cutout: 5.8" (147 mm)
• Mounting Depth: 2.56" (65 mm)
• Motor Diameter: 3.54" (90 mm)
• Gross Single Unit Weight: 1kg
• Single Unit Box Dimensions (W x L x H): 183 x 175 x 86mm