Kenwood KFC-PS3017W Car Speakers

This 30cm Subwoofer has a robust thermal management system, implemented with an Aluminum Bobbin, Closed Yoke Design, and Advanced Airflow Control. The X-Motif Cap (Injection Molded Polypropylene) controls resonance frequency and cut away unnecessary high frequency sound to deliver powerful, solid bass.


Key Features:

- 300mm Polypropylene Cone (PP Cone)
- 400 Rated/RMS Input Power
- High-ridged Two-piece Diaphragm for solid bass
- X-motif cap Technology for resonance control
- Single, multi-layered, voice coil.
- Aluminum bobbin for better thermal conductivity
- Airflow control for optimal heat radition
- Stress controlled spider
- Push-terminals for easy connection
- Sealed/Ported installation capabillity

Speaker Features:
- Speaker Size: 300mm
- Oversized Dimension: Yes
- Speaker Cone Design: Diamond-Array pattern
- Magnet Type: Ferrit
- Voice-coil: single, multi-layer voice coil
- Terminals: Push Type
- Spider: Stress controlled spider
- Bottom-Yoke: Fully closed bottom yoke
- Heat dissipation technology: Airflow control
- Installation Capabillity: Sealed / Ported

Speaker/woofer Specifications:
- Peak Input Power: 2000W
- Rated Input Power: 400W
- Woofer Cone material: Polypropylene (PP) Cone
- Center Cap Type: x-motif cap
- Speaker Basket: Steel
- Speaker Surround: Foam
- Spider Type: Stress controlled Spider
- Sensitivity: 85dB/W/m
- Frequency Response: 29Hz ~ 300Hz
- Speaker Impedance: 4Ω
- Dimensions (W x H x D): 326 x 326 x 155.4mm
- Mounting Depth: 137mm
- Mouting Hole Diameter Ø: 280mm
- Speaker Weight: 4200gr

Subwoofer Parameters:
- Nominal impedance (Z): 4Ω
- DC resistance (Re): 3.7Ω
- Resonant frequency (FSO): 24.4Hz
- Mechanical Q factor (QMS): 6.79
- Electrical Q factor (QES): 0.52
- Total Q factor (QTS): 0.483
- Voice coil inductance (LBM): 2.04mH
- Voice coil diameter (d): 50mm
- Force factor (BL): 12.9T/m
- Peak excursion Xmax: 5.9mm
- Moving mass (MMS): 152gr.
- Volume accoustic compliance (VAS): 104liter
- Piston Area (SD): 0.0512m²
- Displacement: 1.2cc
- Sealed box volume: 35.4liter
- Sealed Box Dimensions: 457 x 362 x 299mm ( 18mm thick MDF)(WxHxD)
- Vented box volume: 42.5liter
- Vented Box Dimensions: 590 x 362 x 394mm ( 18mm thick MDF)(WxHxD)
- Port dimensions (labyrinth) (W x H x L): 35 x 324 x 736mm