Description
Pioneer TS‑A6991FH
The Pioneer TS‑A6991FH is a premium 6″ × 9″ 5‑way coaxial speaker pair from Pioneer’s A‑Series, designed for high‑output car audio upgrades with full‑range coverage from deep bass to crystal‑clear highs. It features a carbon & mica‑reinforced IMPP™ (injection‑moulded polypropylene) woofer cone for rigidity and low distortion, a 2¼″ (≈ 57 mm) polyetherimide (PEI) mid‑range cone, and three dome tweeters (18 mm tweeter + 11 mm super‑tweeter + 9 mm super‑tweeter) for extended treble detail. According to the spec sheet, it handles up to 150 W RMS continuous power and 750 W peak power. It offers a frequency response from about 29 Hz to 31,000 Hz, a sensitivity of around 93 dB, and a nominal impedance of 4 Ω. With its large magnet system and multi‑driver configuration, the TS‑A6991FH is built to deliver robust bass, detailed mids and airy highs—ideal when replacing factory 6×9 speakers for a big‑sound experience.
Specifications
PRODUCT PERFORMANCE
| Specification | Value |
|---|---|
| Continuous Power Handling (RMS) | 120 Watts |
| Frequency Response | 29 Hz to 33 kHz |
| Maximum Peak Power Handling | 700 Watts |
| Nominal Impedance | 4 Ohm |
| Sensitivity (1W/1m) | 92 dB |
| System Type | Coaxial 5-way, Triple PET dome Tweeter |
FEATURES
| Specification | Value |
|---|---|
| Cut Out Dimensions | 8-3/4″ x 6″ |
| Mounting Depth | 3-3/8″ / 85.7mm |
| Speaker Grill | Included |
| Tweeter Dimensions | 0.71″, 0.43″ Super, 0.35″ Super |
| Woofer Dimensions | 6″ x 9″ |
MATERIALS
| Specification | Value |
|---|---|
| Basket Material | Iron Plate Press |
| Cone Material | Carbon and Mica reinforced Injected Molded Polypropylene – IMPP |
| Damper | Poly cotton Aramid |
| Diaphragm Material | Polyetherimide (PEI) – Midrange |
| Magnet Material | Ferrite – Woofer, Ferrite – Tweeter |
| Magnet Weight | 15.2 oz – Woofer, 1.4 oz – Tweeter |
| Surround Material | Elastic Polymer |
| Surround Type | Rolled |
| Voice Coil Bobbin | Glass Imide |
| Voice Coil Material | Glass Imide |
| Voice Coil Wire | Copper |
| Wire Terminals | Lug Type |
About The Product
6″ x 9″ 5-way Coaxial Speaker – 700 W Max Power (120 W Nominal) 18mm, 11mm Super and 9mm Super polyethylene terephthalate (PET) hard dome tweeters – 2-1/4″ polyetherimide (PEI) film cone midrange.
A Series
The highly efficient design of the Pioneer A Series speakers intentionally matches the subwoofer and full-range loudspeakers to provide seamless and smooth sound characteristics, with dynamic, high-impact bass that lets you hear and feel the music. Pioneer’s OPEN & SMOOTH sound concept ensures a seamless transition between the midrange and tweeter drivers, delivering a uniform off-axis frequency response optimized for automotive applications, where one or more speakers are often aimed away from the listeners’ ears. The A Series lineup enhances audio details and improves acoustic performance.
Loud & Clear
These speakers are designed with a dual-port bass-reflex system to provide not only more bass but also a cleaner bass output than typical speakers of the same size. They allow you to enjoy coherent sound without missing any details and without exaggerated response, offering improved precision and more detail across the entire audio bandwidth. Their efficiency also enables you to enjoy exceptional sound from low-power sources, while their ability to handle high-power head units or small amplifiers ensures versatility.
Open & Smooth
Pioneer’s OPEN & SMOOTH sound concept ensures a seamless and smooth transition between the midrange and tweeter drivers, delivering a uniform off-axis frequency response. This design is optimized for automotive applications where one or more speakers are often aimed away from the listeners’ ears.
Carbon and Mica reinforced IMPP™ cone
An extremely rigid yet lightweight cone is essential to avoid cone failure and distortion under high power. Pioneer’s IMPP™ composite cones meet this need perfectly. CAE (Computer-Aided Engineering) was applied to create a curvilinear cone with varying thicknesses during the injection process, maintaining a balance between lightness (responsiveness) and rigidity (precise audio and tight bass). To further improve this rigidity-to-weight ratio, Pioneer uses an advanced process that integrates different materials, such as carbon and mica, which resonate at different frequencies, creating a perfectly balanced cone across the entire bandwidth.
Polyetherimide (PEI) midrange with (PET) hard dome tweeters
PEI and PET materials can withstand high temperatures while maintaining stable electrical and mechanical properties over a wide frequency range. Their strength-to-weight ratio makes them ideal for high-frequency vibrations of the dome and thermal management of the voice coil. We also carefully designed these components with a front diffuser to help maintain the perfect audio balance during the transition from on-axis to off-axis listening. This allows for a more balanced sound source between the different audio points in the car.
Keep it simple and clean
Avoid messy installations and keep your speaker wiring as clean as possible. These speakers use an in-line crossover design and/or an integrated crossover already installed on the speaker basket. This eliminates the need for a bulky external box typically found with passive crossovers, saving you from having to find extra space for it. Additionally, it removes the need for extra wires going in and out of your door to accommodate a woofer in the door with a matching tweeter on your dash.
CarSoundfit App
Pioneer’s Car Sound Fit app is a car sound simulator that lets you experience what your car could sound like using your own smartphone. You’ll be able to hear the difference between stock speakers and Pioneer’s various audio options, and see how the quality of Pioneer speakers can enhance your in-car experience. For a virtual listening demo of these and many other Pioneer car speakers, download the free Pioneer CarSoundFit app.
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