DS18 6PRO300MR-4 PRO 6.5" Mid-Range Loudspeaker 150W RMS 4-Ohm

6.5-Inch Pro-Audio Midrange Loudspeaker with Ferrite Magnet

The DS18 PRO-300MR-4 is a high-output 6.5-inch midrange loudspeaker engineered specifically for high-SPL car audio systems. Designed to deliver clear, loud mid-range frequency response, it features a durable paper cone, cloth surround, and a high-temperature voice coil. Built to handle up to 300 Watts MAX power at a 4-ohm nominal impedance, the PRO-300MR-4 provides the punchy midrange output required to cut through heavy bass in custom automotive sound installations.

• High-Power Midrange Performance: Handles up to 300 Watts MAX power and 150 Watts RMS for loud, crisp vocal and instrumental projection.
• 4-Ohm Nominal Impedance: Optimized for easy pairing with a wide range of multi-channel car audio amplifiers.
• Durable Paper Cone & Cloth Surround: Designed for high efficiency, fast transient response, and sustained power handling without distortion.
• High-Temperature Voice Coil: Features a 1.5-inch KSV voice coil designed to dissipate heat effectively during prolonged high-volume playback.
• High Efficiency & Sensitivity: Rated at high sensitivity to maximize sound volume per watt of amplifier power.
• Steel Basket Frame: Heavy-duty stamped steel basket provides structural rigidity and stable magnet placement.

• Nominal Diameter: 6.5 Inches (165mm)
• Nominal Impedance: 4 Ohms
• MAX Power Handling: 300 Watts
• RMS Power Handling: 150 Watts
• Sensitivity (1w/1m): ~96 dB
• Frequency Response: 100Hz – 10kHz
• Voice Coil Diameter: 1.5 Inches (38.1mm)
• Magnet Material: Ferrite
• Cone / Surround Material: Paper Cone with Cloth Edge Surround
• Frame Material: Red Steel Basket
• Mounting Depth: Approx. 68mm (2.68 inches)
• Cutout Diameter: Approx. 145mm (5.7 inches)