Sound Boss Car Speaker SB-CX-62SI Premium 16.51 cm (6.5 inch) 2-Way Coaxial Speakers (Black), Peak Power - 380 W, RMS Power - 75W, Rated Power - 70W

Sound Boss SB-CX-62SI – 16.5 cm (6.5") 2-Way Coaxial Car Speaker

A higher-power coaxial speaker designed for stronger output, improved mid-bass response, and clearer high-frequency reproduction compared to entry-level factory speakers.

Key Features

• 2-way coaxial design (woofer + integrated tweeter)
• High-power handling suitable for louder listening levels
• Balanced tuning for midrange clarity and bass presence
• OEM-compatible 6.5-inch size for easy door installation
• Designed for upgraded factory audio replacement

Technical Specifications

• Speaker Type: 2-Way Coaxial Car Speaker
• Size: 16.51 cm (6.5 inch)
• Power Handling (RMS): 75W
• Rated Power: 70W (continuous nominal rating)
• Peak Power: 380W
• Nominal Impedance: 4 Ohms
• Sensitivity: ~92 dB (1W/1m)
• Frequency Response: ~45 Hz – 22 kHz
• Woofer Cone Material: Treated polypropylene / composite cone
• Tweeter Type: Balanced dome tweeter (integrated)
• Magnet Type: High-strength ferrite magnet
• Voice Coil: High-temperature copper voice coil
• Mounting Depth: ~50–55 mm (approx.)

In the Box

• 2 × Sound Boss SB-CX-62SI coaxial speakers
• Mounting screws and installation hardware
• User manual

Compatibility

• Fits standard 6.5-inch door speaker mounts
• Compatible with most cars (hatchbacks, sedans, SUVs)
• Works with factory head units
• Performs best with aftermarket amplifier due to higher RMS rating

Important Notes

• 75W RMS is genuine usable power level (stronger than typical budget speakers)
• 380W peak is short-duration output rating
• Sensitivity ~92 dB makes it relatively loud even at moderate power
• Recommended for users wanting louder and fuller sound without subwoofer setup

GMC-Style Performance Summary

• Loudness: High
• Bass Output: Good (for coaxial class)
• Clarity: Above average
• Power Handling: Strong in budget-mid segment
• Best Use Case: Loud daily listening + bass-friendly upgrade from stock speakers