KICKER L7R 12-Inch (30cm) Subwoofer, DVC, 4-Ohm, 600W

The Kicker L7R 12 (model 45L7R124) is a square, high-performance subwoofer designed for serious bass systems. It features dual 4-ohm voice coils (DVC), an injection-molded SoloKon™ cone, 360° back bracing, and a rugged steel basket—combining durability, thermal control, and maximum air movement for powerful low-end output. 

Key Benefits

• Increased cone surface area: The square design gives more cone area than a round sub—more air moved for louder bass. 
• Thermal management: UniPlate™ back plate and pole piece help dissipate heat during intense use. 
• Flexible wiring: Dual 4-ohm voice coils allow different wiring configurations to fit your amp setup. 
• Solid build: Wrap-around gasketing, ribbed corners, thick tinsel leads, and nickel-plated terminals ensure reliability and durability. 

Technical Specifications

• Impedance: 4 Ω (Dual Voice Coil) 
• Power Handling (RMS): 600 W 
• Peak Power: 1,200 W 
• Frequency Response: ~25 Hz – 100 Hz 
• Sensitivity: 86.7 dB (1 W / 1 m) 
• Xmax (Linear Excursion): 13.9 mm (per T/S specs) 
• Re (DC Resistance): ~7.52 Ω per coil 
• Thiele/Small Parameters (per L7R spec sheet):
• Qms: 10.292 
• Qes: 0.666 
• Qts: 0.625 
• Vas: 2.37 ft³ / 67.4 L 

Installation & Compatibility

Enclosure recommendations:

Sealed: 0.88 – 2.0 cu ft (.88 to 2 ft³) 

Vented (ported): 1.75 – 3.25 cu ft (49.6 – 92 L) 

Mounting: Requires a cutout of ~11-1/16″ (28.1 cm) and a depth of 6-7/8″ (17.4 cm). 

Wire configuration: With dual voice coils, you can wire for different loads (e.g. parallel or series) depending on your amp.

FAQS

• What makes the Kicker L7R 12 different from other subwoofers?
  Its square cone increases surface area, delivering deeper and louder bass compared to traditional round subs of the same size.
• Does the Kicker L7R 12 work well in small boxes?
  Yes, the L7R series performs well in both compact sealed boxes and ported enclosures, offering flexibility depending on your bass goals.
• How much power is required to run the Kicker L7R 12?
  It performs best when powered at its RMS rating with a quality monoblock amplifier to prevent distortion and ensure tight bass.
• Is the Kicker L7R 12 good for daily use?
  Definitely—it's built for durability, strong bass output, and dependable performance even when played hard daily.