Pioneer TS-A6991F 6x9" 5-Way Coaxial Speakers

The Pioneer TS-A6991F is a pair of 6 x 9-inch A-Series Plus coaxial car speakers designed to replace compatible factory speakers with a fuller, more detailed sound. Its 5-way layout combines a large woofer, dedicated midrange, tweeter, and two super tweeters in each speaker. This makes it a practical option for drivers seeking an all-in-one full-range speaker upgrade without adding separate external crossover networks.

Each TS-A6991F speaker handles up to 120 watts RMS and 700 watts maximum power for use with compatible factory or aftermarket audio systems. With a 4-ohm nominal impedance and 92 dB sensitivity rating, the pair is designed for broad compatibility with common car-audio amplification. The 29 Hz to 33 kHz frequency response covers low bass through extended high-frequency detail.

The 6 x 9-inch woofer uses Pioneer’s carbon- and mica-reinforced IMPP cone construction, supported by an elastic polymer surround. This combination is intended to provide a rigid yet responsive woofer foundation for midbass and lower-frequency reproduction. A ferrite magnet motor structure and pressed iron basket support the woofer assembly.

A 57 mm PEI film-cone midrange complements the woofer, while the upper-frequency section uses 18 mm, 11 mm, and 9 mm PET hard-dome drivers. Pioneer’s Open & Smooth sound concept is intended to support a smooth transition among the speaker drivers and consistent off-axis response in vehicle interiors. That makes the design well suited to common door, rear-deck, and parcel-shelf locations where speakers may not point directly at listeners.

The TS-A6991F can serve as a direct full-range upgrade in a compatible 6 x 9-inch mounting location or as part of a larger system with an aftermarket receiver, amplifier, and subwoofer. Its included grilles and mounting hardware support custom-install applications, while the 153 x 222 mm cutout requirement and 86 mm mounting depth should be checked before purchase. Confirm vehicle-specific fitment, mounting clearance, and factory wiring requirements before installation.

Key Features

• 5-Way Coaxial Design: Integrates woofer, midrange, tweeter, and two super tweeters in each speaker.
• 120W RMS Power Handling: Supports substantial continuous power in a compatible car-audio system.
• 700W Maximum Power: Provides additional peak-power capability for dynamic music passages.
• Carbon/Mica IMPP Woofer Cone: Creates a rigid woofer platform for full-range playback.
• Triple PET Dome High-Frequency Array: Uses 18 mm, 11 mm, and 9 mm dome drivers for upper-frequency reproduction.
• 92 dB Sensitivity: Helps the speakers produce strong output from compatible power sources.

Design & Installation

The TS-A6991F uses a carbon- and mica-reinforced injection-molded polypropylene woofer cone, elastic polymer surround, ferrite magnet, and pressed iron basket. Its 5-way coaxial architecture places the 57 mm PEI midrange and PET dome high-frequency drivers over the 6 x 9-inch woofer. Protective speaker grilles are included for installations where the speaker face is exposed.

Verify the vehicle opening against the 153 x 222 mm cutout requirement and allow for the 86 mm mounting depth before ordering. The package includes two speakers, two mounting brackets, two grilles, speaker-wire leads, and mounting screws. Use compatible wiring and a 4-ohm-capable receiver or amplifier, and compare the source’s continuous output with the speakers’ 120-watt RMS rating.