SoundQubed HDS-MB69-4 6x9" HDS Series Midbass w/Water Resistant Dome Cap

Model: HDS-MB69-4   Sold as: Each

The SoundQubed HDS-MB69-4 is a 6x9” mid-bass loudspeaker designed for high-output audio systems. With 150W RMS and 300W peak power handling at 4 ohms, it delivers tight midrange and clean upper bass across a broad 60Hz–10kHz frequency range. Featuring a high-efficiency 95dB sensitivity and a water-resistant IP65-coated paper cone, it’s built to withstand the elements in marine, off-road, or outdoor audio setups. A 1.5” Kapton voice coil, ferrite motor, and spider-crossed leads ensure thermal stability and durability. Whether in custom installs or pro sound applications, the HDS-MB69-4 combines clarity, output, and reliability with a water-resistant cone.

General Specifications:
Nominal Diameter: 6×9" / 152×228mm
Nominal Impedance: 4 ohms
RMS Power Handling: 150W
MAX Power Handling: 300W
Sensitivity (1w/1m): 95dB
Frequency Response: 60Hz–10kHz
Recommended Hi Pass Crossover: 80 Hz
Single
Features:
Cone Shape: Curvilinear
Speaker Terminals: Spade
Water-Resistant Cone: Coated IP65
Motor:
Voice Coil Diameter: 1.5"/38.1mm
VC Former Material: Kapton
Winding Material: CCAW
Cone Material: Paper
Dust Cap Material: Paper
Surround Material: Cloth
Leads Connection Type: Spider Crossed
Magnet Material: Ferrite
Magnet Weight: 20 oz
Displacement Volume: 0.32L/0.011ft³
Basket Material: Steel
Basket Color/Finish: Satin Black
Thiele & Small Parameters:
Vas (Equivalent Volume): 11.6 L
Xmax (Excursion one way): 1.4mm
Fs (Free Air Resonance): 109Hz
Qms (Mechanical Factor): 2.27
Qes (Electrical Factor): 1.02
Qts (Total Factor): 0.7
Mms (Mechanical Mass): 11.74g
Cms (Mechanical Compliance): 0.18mm/N
BL (BL Factor): 6.69
Le (Voice Coil Inductance): 0.13mH
Sd (Cone Area): 216.42cm²
Re (DC Resistance): 3.4 ohms
Speaker Measurements:
Overall Diameter: 6.5"×9.25" / 165×235mm
Overall Depth: 3.7" / 94mm
Front Mount Baffle Cutout: 6"×8.6" / 152×219mm
Mounting Depth: 3.5" / 89mm
Motor Diameter: 4.5" / 115mm