Description
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Pioneer TS-901M
The Pioneer TS-901M is a 6″ × 9″ 4-way coaxial speaker pair designed to deliver bold, full-range sound in vehicle installations with the common 6×9 size. With a maximum power handling of 450 W peak and a continuous rating of 90 W RMS, it features an 18 mm dome tweeter, an 11 mm super-tweeter, and a 2-¼″ midrange cone in addition to the main woofer.Its carbon- and mica-reinforced IMPP™ cone construction ensures clarity and durability, while its 4-ohm impedance makes it compatible with most car audio systems.
PRODUCT PERFORMANCE
| Category | Specification |
|---|---|
| Continuous Power Handling (RMS) | 90 W |
| Frequency Response | 29 Hz – 28 kHz |
| Maximum Peak Power Handling | 450 W |
| Nominal Impedance | 4 Ω |
| Sensitivity (1W/1m) | 92 dB (±1.5 dB) |
| System Type | 4-way coaxial, Twin Polyethylene terephthalate (PET) dome – Tweeter |
FEATURES
| Feature | Specification |
|---|---|
| Tweeter Dimensions | 0.71″, 0.43″ Super |
| Woofer Dimensions | 6″ x 9″ |
MATERIALS
| Material Component | Specification |
|---|---|
| Basket Material | Iron Plate Press |
| Cone Material | IMPP – Composite |
| Cone Material – Midrange | Cellulose Fiber |
| Diaphragm Material (Tweeter) | Film (PET) |
| Magnet Material | Ferrite |
| Magnet Weight | 11.3 oz |
| Surround Material | Elastic Polymer |
| Voice Coil Bobbin | Glass Imide |
| Voice Coil Wire | Copper |
About The Product
The TS-901M boasts impressive audio capabilities with a maximum power output of 450 W and 90 W RMS per speaker, ensuring robust sound performance. It features an 18 mm tweeter and an 11 mm super tweeter for crisp high frequencies, complemented by a 2-1/4″ cellulose fiber cone midrange for clear mids. The 6″ x 9″ carbon and mica reinforced Injection Molded Polypropylene (IMPP) cone construction provides durability and excellent bass response. Installation is made easy with multi-fit 6″ x 9″ adapters, and the heat-resistant voice coil ensures reliable performance even under high power conditions.
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.
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.









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