Sound Boss Performance Auditor New Gold Series SB-6979 6x9 3-Way 480W Co-Axial Car Speakers ‎SB 6979

Sound Boss SB-6979 – 6" × 9" 3-Way Coaxial Car Speaker (Gold Series)

A high-output 3-way coaxial speaker designed for louder sound delivery, improved bass presence, and better frequency separation in rear-deck car audio applications.

Key Features

• 3-way coaxial design (woofer + midrange + tweeter)
• Gold Series tuning for enhanced bass emphasis and loudness
• Large 6×9 inch format for improved low-frequency response
• Wide dispersion for rear cabin sound coverage
• Designed for OEM replacement and aftermarket upgrades

Technical Specifications

• Speaker Type: 3-Way Coaxial Car Speaker
• Size: 6" × 9" (15.2 × 23 cm)
• Power Handling (RMS): ~65–70W RMS
• Peak Power: 480W (marketing peak rating)
• Nominal Impedance: 4 Ohms
• Sensitivity: ~93 dB (±2 dB, 1W/1m)
• Frequency Response: ~38 Hz – 20 kHz
• Cone Material: Polypropylene composite cone
• Tweeter Type: PEI dome tweeter (integrated)
• Midrange Driver: Secondary cone driver
• Magnet Type: High-grade ferrite magnet
• Voice Coil: Heat-resistant copper wound coil
• Mounting Depth: ~75–85 mm (approx., vehicle dependent)

In the Box

• 2 × Sound Boss SB-6979 6×9 3-way speakers
• Mounting screws and hardware kit
• User manual

Compatibility

• Fits standard 6×9 inch rear deck speaker slots
• Common in sedans and SUVs with parcel shelf mounts
• Works with factory head units
• Recommended amplifier improves dynamic range and bass control

Important Notes

• 480W is peak power only, not continuous output
• Real usable RMS power is ~65–70W per speaker
• 3-way coaxial improves separation but is not equal to true component systems
• Proper enclosure/sealing in rear deck improves bass response significantly

GMC-Style Performance Summary

• Loudness: Very High
• Bass Output: Strong (best in Sound Boss lineup you shared)
• Clarity: Good
• Sound Stage: Wide rear coverage
• Best Use Case: Loud music + bass-focused rear deck upgrade