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Description

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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Questions and Answers

Q1: What is the maximum power handling of the Pioneer TS-901M?
A1: The speakers are rated at up to 450 W peak power per pair.
Q2: What is the nominal (RMS) power rating of the TS-901M?
A2: They are rated at approximately 90 W RMS per speaker.
Q3: What size are these speakers and why is that helpful?

A3: They are 6″ × 9″ speakers—a very common car audio speaker size—making them easier to install in many vehicles with standard mounts.

Q4: What is the design configuration of the TS-901M?
A4: They use a 4-way coaxial design: main woofer, dedicated midrange cone, tweeter and super-tweeter built into one unit for wide frequency coverage.
Q5: Will I need an external amplifier for these speakers?

A5: Not necessarily—while they perform well with an aftermarket head unit due to 90 W RMS handling, adding a proper amplifier will give better clarity and volume, especially in noisy vehicles or when listening at high levels.


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