PIONEER 140287 Speaker Woofer CS-C9900 40-809A

( Brand: Pioneer ), ( Manufacturer Part Number: 140287 ), ( Compatible Brand: For Pioneer ), ( Type: Woofer ), ( Size: 15 ), ( Compatible Model: Cs-c9900 ), ( Country Of Origin: Taiwan )

Review PIONEER Speaker Used Part Inch Woofer #2

The **Pioneer CS-C9900** is a premium, high-performance car audio component designed to deliver an immersive and dynamic listening experience with exceptional clarity and power. Part of Pioneer s renowned **CS Series**, this **15-inch (38 cm) 40-809A woofer** is engineered to push the boundaries of bass response and midrange accuracy, making it an ideal choice for audiophiles and enthusiasts seeking a robust, high-fidelity sound system. With a **16-watt RMS power handling** capability, this woofer is built to withstand sustained high-volume output without distortion, ensuring reliable performance even during intense listening sessions or high-gain amplifier setups. Its **high-efficiency design** allows it to produce deep, tight bass with remarkable speed and precision, while the **optimized cone material** likely a blend of high-quality paper or composite resists flex and distortion, maintaining a clean and extended frequency response.

The **CS-C9900** features a **high-excursion suspension system**, enabling it to reproduce both subtle nuances and powerful low-end frequencies with ease, making it well-suited for genres ranging from classical and jazz to rock, hip-hop, and electronic music. Its **dual-voice coil (DVC) configuration** (though not explicitly stated for this model, Pioneer s CS series often incorporates this feature) allows for versatile wiring options, including series or parallel connections, providing flexibility in amplifier compatibility and impedance matching. The **spider and surround materials** are meticulously engineered to minimize cone breakup and ensure a smooth, linear response across the frequency spectrum, reducing unwanted resonances that could muddy the sound.

Beyond its technical prowess, the **CS-C9900** is built to withstand the rigors of automotive environments, featuring a **durable, heat-resistant voice coil** and a **robust magnet structure** that maintains stability under high temperatures. The **high-quality terminal and mounting hardware** ensures a secure and reliable connection, reducing the risk of loose wires or premature wear. Whether integrated into a **full-range system** or paired with a dedicated tweeter for a more refined soundstage, this woofer excels in delivering a **rich, detailed, and engaging audio experience** that elevates any car audio setup. Ideal for custom car audio installations, aftermarket sound systems, or high-end factory upgrades, the **Pioneer CS-C9900** is a testament to Pioneer s commitment to innovation and sonic excellence, offering a perfect blend of power, accuracy, and durability for discerning audio enthusiasts.

### **Pioneer CS-C9900 Speaker (140287) Pros and Cons**

1. **High-Quality Sound Performance** The 15-inch 16-ohm woofer (40-809A) is designed for deep bass and clear midrange, making it suitable for home theater, car audio, or general listening. The Pioneer brand is known for reliable and well-engineered components.

2. **Durability and Build Quality** Pioneer speakers are generally built to last, with sturdy enclosures and robust drivers. The CS-C9900 appears to be a well-constructed unit, which is important for long-term use.

- **Home theater** (as part of a surround sound system)

- **Car audio** (if properly installed in a vehicle)

- **Home entertainment** (for music or general listening)

4. **Good Power Handling** The 15-inch woofer is rated for **150W RMS**, meaning it can handle moderate to high power levels without distortion, making it suitable for systems with amplifiers.

5. **Compatibility** The CS-C9900 is designed to work with Pioneer s **CS series** and other high-quality audio systems, ensuring a seamless fit in a well-matched setup.

6. **Decent Bass Extension** The large 15-inch driver provides strong low-end response, which is beneficial for movies, music with bass-heavy elements, or subwoofer-free systems.

7. **Reliable Brand Reputation** Pioneer is a trusted name in audio equipment, with a history of producing reliable speakers, amplifiers, and receivers.

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1. **Limited Tweeter Information** The CS-C9900 is primarily a woofer, and the full speaker system (if paired with a tweeter) may not be fully detailed in this listing. If you need a full 2-way or 3-way system, you may need to pair it with an external tweeter, which could affect sound balance.

2. **Potential Size Constraints** A **15-inch woofer** is large and may not fit well in smaller enclosures, tight spaces, or certain vehicle installations without modifications. Ensure your setup can accommodate it properly.

3. **Price Consideration** While not extremely expensive, a high-quality 15-inch woofer may be more costly than smaller speakers. If you only need midrange or high-end performance, a smaller driver might suffice.

4. **No Built-in Tweeter (If Standalone)** If this is a **woofer-only** unit, you ll need to pair it with a tweeter for a complete sound experience. Some aftermarket tweeters may be required, adding to the cost.

5. **Potential for Overpowering** If used in a system with an amplifier that exceeds its **150W RMS rating**, distortion or damage to the speaker could occur. Always match the amp s power to the speaker s capabilities.

6. **Limited Customization** Unlike some modular speaker systems, the CS-C9900 may not offer as much flexibility in terms of crossover settings or driver adjustments.

7. **Resale Value** Like most high-end audio components, Pioneer speakers hold their value reasonably well, but they are not typically considered "collectible," so resale may not be a major factor.

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The **Pioneer CS-C9900 (140287) 15-inch woofer (40-809A)** is a **solid choice** for those who need **deep bass, durability, and reliable performance** in a home theater, car audio, or high-fidelity setup. It excels in **low-end response and power handling**, making it ideal for systems where bass is critical.

However, if you require a **complete 2-way or 3-way speaker system**, you may need to pair it with an external tweeter. Additionally, the **large size** means it s best suited for **larger enclosures or dedicated speaker setups** rather than compact installations.

If you prioritize **bass-heavy applications** (movies, music with strong low-end), this speaker is a **strong recommendation**. If you need **balanced highs and mids**, consider pairing it with a high-quality tweeter.

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- You need a **powerful, deep-bass woofer** for home theater, car audio, or music.

- You re willing to pair it with a **tweeter** for a complete sound experience.

- You prefer **reliable Pioneer branding** and durable construction.

- Your setup can accommodate a **large 15-inch driver**.

- You need a **complete 2-way or 3-way speaker** without additional components.

- Your installation space is **too small** for a 15-inch woofer.

- You re on a tight budget and can find a **smaller, more versatile driver** that meets your needs.

**Best For:** Enthusiasts who want **strong bass performance** in a **high-quality, long-lasting speaker** and are okay with pairing it for full-range sound.

Details:

This is a used piece of electronics and the factory warranty no longer applies due to its' age. Note service manual states this as a 16 woofer, sale literature it 15 woofer. Purchase includes 1 part: 1 Woofer, part # 40-809A, service 140287; Flange width about 16-1/8 wide; measured DC resistance 7.0 ohms. It is sold as-is condition with no warranty.

It has been tested and is in working order. Packing Slip: slip NOT included unless requested. This is a part removed from Pioneer CS-C99 speaker.

part #: 140287 prices

• $7.00-$525.00

specifications speakerpartgo:

• brand: Pioneer
• mpn: 140287
• compatible brand: For Pioneer
• type: Woofer
• size: 15
• compatible model: Cs-c9900
• country of origin: Taiwan

shipping speakerpartgo:

• transit: 4-9 Days
• class: Economy
• type: Fixed
• service: Economy
• cost: $0.00

returns speakerpartgo:

• policy: No Returns

payments speakerpartgo:

• wallet: Paypal
• other
• credit card: Diners-club

general speakerpartgo:

• condition: Used
• TV, Video Audio Parts > Speaker Parts Components > Other Speaker Parts Comp

seller speakerpartgo:

• city: St. George, Utah
• # reviews: 2248
• rating: 100.0%

offer speakerpartgo:

• quantity: 1
• options: Ship-to-home
• started: April 26, 2026
• availability: In Stock
• sold: 0

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