Alpine SPX-137R

• 5-1/4" 2-Way Component System
• Power Handling 240 watts Peak / RMS 60 watts
• Frequency Response: 40 Hz - 60 kHz
• Sensitivity: 86 dB
• Impedance: 4 Ohm
• Custom Cast Aluminum Frame
• Airflow Optimized Dual-Flare Pole Vent
• Integrated Spider Landing & Heat Transfer Plate
• Low Resonance Multi-Roll Surround
• Wood Fiber Cone
• Phase-Integrated Dustcap
• Ultra High Quality 2-way Crossover
• On/Off Axis Compensation
• Bi-Wire Input and Selectable Tweeter Attenuation
• 1-year SonicElectronix.com warranty

Crossover

• 3-Way/Dual Midbass Ready
• Bi-Amp/Bi-Wire Capable
• Gold Plated Terminals and Connection Jumpers
• Integrated Level /Axis Adjustment
• Phase Coherent Design
• Tweeter Protection Circuit
• Ultra-High Grade Passive Components

Tweeter

• 19mm Voice Coil, Copper Clad Aluminum Wire on Aluminum Bobbin
• Low Distortion Motor Structure with High Grade Neodymium Magnets and Copper Shorting Cap
• Periphery Venting System into Cast Aluminum Tuned Chamber with Integrated Heatsink
• Twist Lock Installation Ring with Compact Swivel System (Swivel-Flush, Swivel-Surface, Semi-Flush Angle Tweeter Mounting)

Woofer

• 4-Layer Copper Clad Aluminum Wire on Glass Fiber Bobbin
• Airflow Optimized Dual-Flare Pole Vent
• Braided Low-DCR Tinsel Leads
• Custom Cast Aluminum Frame
• Gold Plated Terminals
• High Grade Strontium Ferrite Magnet
• High Quality Synthetic Black Spider
• Low Resonance Multi-Roll Surround
• Semi-Flush Grille
• Single Voice Coil Design
• Wood Fiber Cone & Phase Integrated Dust Cap

Priced Per Pair