About: DS18 PRO-X4.4BMSL PRO-X 4" Shallow Mid-Range Loudspeaker with Bullet 100W RMS - 4 Ohm 

Elevate your audio experience to new heights with the PRO-X4.4BMSL, a cutting-edge addition to the DS18 lineup. This compact powerhouse is designed to take your sound system to extreme levels of volume and performance. Featuring a 1" / 25.4mm Kapton Voice Coil, the PRO-X4.4BMSL is built to withstand the most intense jam sessions without compromising on quality. Its high-temperature resistance ensures that you can play this speaker as long as you want.

Engineered for convenience and compatibility, this speaker boasts a reduced mounting depth and an RMS Power Rating of 100 W. The PRO-X4.4BMSL effortlessly integrates into any build, making installation a breeze. Equipped with DS18’s innovative Bullet Resonator, the PRO-X4.4BMSL unlocks a frequency range that will captivate your senses. From deep and powerful bass at 260Hz to crystal-clear highs reaching 11.5KHz, the PRO-X4.4BMSL delivers a complete spectrum of sound.

With a Nominal Diameter of 4" / 101.6mm  and a Nominal Impedance of 4 Ohms, this speaker strikes the perfect balance between size and performance. Its high 89dB sensitivity ensures accurate tonal reproduction even at extreme volumes. Designed with meticulous attention to detail, the PRO-X4.4BMSL features a sturdy steel basket with a vibrant red gloss finish, exuding an air of sophistication and style. Elevate your sound system to unparalleled levels with DS18’s PRO-X4.4BMSL PRO-X 4" Slim Mid-Range Loudspeaker.

Product Highlights:

• 4" Shallow Mid-Range w/Bullet
• MAX Power: 200 Watts
• RMS Power: 100 Watts
• Impedance: 4-Ohm
• Ferrite Magnet
• 89dB

Specifications:

• Nominal Diameter: 4" (101.6 mm)
• Nominal Impedance: 4 Ohms
• RMS Power Handling: 100W
• MAX Power Handling: 200W
• Sensitivity (1w/1m): 89dB
• Frequency Response: 260Hz - 11.5KHz
• Recommended HI Pass Crossover: 280Hz
• Sold in Pair/Single: Single

Motor:

• Voice Coil Diameter: 1" (25.4 mm)
• Voice Coil Former Material: Kapton
• Winding Material: CCAW
• Cone Material: Paper
• Bullet Material: Aluminum
• Bullet Color/Finish: Gloss Red
• Surround Material: Cloth
• Basket Material: Steel
• Basket Finish / Color: Red / Gloss
• Magnet Material: Ferrite
• Magnet Weight: 6 Oz
• Displacement Volume: 0.524L / 0.0185ft3

Thiele-Small Parameters: 

• Equivalent Volume (Vas): 0.567 L / 0.02ft3 
• Xmax: 5.8 mm
• Mechanical Factor (Qms): 3.307
• Electrical Factor (Qes): 3.044
• Total Factor (Qts): 1.585
• Dc Resistance (Re): 3.2 Ohms

Measurement:

• Overall Diameter: 4.11" (104.5 mm)
• Overall Depth: 1.74" (44.3 mm)
• Front Mount Baffle Cutout: 4" (102.3 mm)
• Mounting Depth: 1.63" (41.4 mm)
• Motor Diameter: 2.75" (70 mm)