Pioneer TS-A2500LS4 A-Series 10" 1200W Peak Power Handling at 4 Ohms, Single Voice Coil Shallow Mount Car Subwoofer
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What's Inside?
- • (1) 10" Subwoofer
- • Trim ring
- • (6) 1-1/8" Screws
- • Adhesive backed foam gasket
- • Enclosure recommendations printed on the box
- • Warranty information
- • Owner's Manual
Why Choose Pioneer TS-A2500LS4 Component Car Subwoofer?
Compact Design, Big Bass Impact
If you want deep bass without sacrificing space, the Pioneer TS-A2500LS4 is built exactly for that kind of setup. Its glass fiber and mica reinforced IMPP cone gives you a strong, rigid structure that delivers tight, accurate low-frequency response instead of loose or muddy bass. Combined with its shallow mount design, this subwoofer is perfect for tight installs like under seats or behind panels, making it a great choice for modern vehicles where space is limited but sound still matters.
Flexible Installation for Any System
This subwoofer is designed to fit into a wide range of audio builds thanks to its versatile spring post terminals, which support pin connectors, banana plugs, or up to 8-gauge bare wire for easy wiring. It also adapts well to different enclosure styles, whether you prefer a sealed or ported setup. For sealed boxes, it performs best around 0.6 ft³ for tight, controlled bass, while ported enclosures in the same range with a 3-inch by 7.5-inch port bring out stronger, more efficient low-end output when you want extra punch.
Built for Real-World Bass Performance
The TS-A2500LS4 isn’t just about flexibility it’s also about practical performance in real driving conditions. It can even be used in a free-air (infinite baffle) setup, giving you more installation freedom, especially in custom builds, while still delivering solid bass output. With its compact mounting dimensions and low-profile design, it integrates cleanly into most vehicles without heavy modifications.
Frequently Asked Questions (FAQ)
- • Will this subwoofer fit in a shallow mounting location?
Yes. Its shallow-mount design makes it suitable for installations with limited mounting depth, such as under seats or in compact enclosures.
- • Why is the bass not as deep as I expected?
Insufficient enclosure volume, incorrect amplifier settings, or poor box construction can reduce low-frequency output. Using the recommended enclosure specifications will help maximize bass performance.
- • Can I install this in a sealed enclosure?
Yes. A properly sized sealed enclosure provides accurate and controlled bass while protecting the subwoofer from excessive cone movement.
- • Why does it distort before reaching high volume?
Distortion is commonly caused by amplifier clipping, incorrect gain settings, or insufficient amplifier power. Proper amplifier tuning can significantly improve sound quality.
- • Why is it vibrating but producing very little sound?
This may indicate reversed polarity, air leaks in the enclosure, or incorrect crossover settings. Check the wiring and inspect the enclosure for proper sealing.
- • Can I use this with my factory audio system?
Yes, provided you use a compatible amplifier and the appropriate signal interface if required. Many factory systems can be upgraded without replacing the original head unit.
- • Why does the subwoofer make a scratching noise during playback?
A scratching sound can indicate voice coil damage, debris inside the gap, or mechanical failure. Stop using the subwoofer and inspect it before further operation.
- • Does the enclosure material affect bass quality?
Yes. A rigid enclosure built from quality materials helps reduce unwanted vibrations and improves bass accuracy.
- • Why does the amplifier enter protect mode when the bass hits?
This is often caused by an impedance mismatch, wiring fault, or excessive current draw. Verify the speaker wiring and ensure the amplifier is operating within its recommended load.
- • How can I make it blend better with my door speakers?
Adjusting the low-pass crossover, phase, and amplifier gain helps create a smoother transition between the speakers and the subwoofer. Proper tuning results in tighter, more balanced bass throughout the vehicle.
- Diameter : 10 Inch
- Sensitivity : 85 dB
- Impedance : 4 Ohm
- Frequency Response : 20-900 Hz
- Peak Power Handling : 1200 Watts
- Shallow Mount : Yes Inch
- Number of Voice Coils : Single
- Suggested Sealed Box Volume : 0.6 Cubic ft.
- Suggested Ported Box Volume : 0.6 Cubic ft.
- RMS Power Handling : 300 Watts
- Free Air : Yes
Features:
- Woofer Cone Construction: Features a glass fiber and mica reinforced injection-molded polypropylene (IMPP) cone, providing increased rigidity, durability, and improved low-frequency accuracy compared to standard polypropylene designs.
- Shallow Mount Design: Engineered as a “Shallow-Mount” subwoofer, allowing flexible installation in tight spaces such as under seats or behind vehicle panels, making it ideal for compact and space-limited setups.
- Versatile Terminal Design: Equipped with spring post terminals compatible with pin connectors, single banana plugs, or bare wire up to 8 gauge, ensuring secure and adaptable wiring options for different installations.
- Optimized Sealed Enclosure Performance: Designed for sealed boxes ranging from 0.35 ft³ to 0.7 ft³, with 0.6 ft³ as the ideal volume, delivering precise, controlled bass response suitable for all music genres.
- Efficient Ported Box Compatibility: Supports ported enclosure configurations from 0.5 ft³ to 0.7 ft³, with an ideal 0.6 ft³ design using a 3-inch diameter by 7.5-inch long port for enhanced bass output and efficiency.
- Free-Air Installation Capability: Can be installed in infinite baffle (free-air) applications on a baffle board, offering installation flexibility while reducing power handling to 75 watts RMS in this configuration.
- Compact Installation Dimensions: Designed for easy fitment with a mounting height of 0.542 inches, flange height of 0.19 inches, and frame diameter of 10.305 inches, supporting clean and efficient integration into various vehicles.
Specifications:
- System Type: Component Subwoofer
- Sensitivity (1W/1m): 85dB
- Frequency Range: 20 Hz to 900 Hz
- CTA-2031 Compliant: Yes
- Warranty: 1 Year
- Continuous Power Handling (RMS): 300 Watts
- Maximum Peak Power Handling: 1200 Watts
- Nominal Impedance: 4 OHM
- Speaker Grill: Sold separately (UD-10GL)
- Shape: Round
- Size: 10"
- Cone Material: IMPP - Composite
- Center Cap Material: ABS
- Surround Material: Rubber
- Surround Type: Rolled
- Basket Material: Stamped Metal
- Magnet Material: Ferrite
- Magnet Weight: 43.4 oz
- Voice Coil Type: Single Voice
- Voice Coil Bobbin: Kapton
- Voice Coil Wire: Copper
- Damper: Poly cotton
- Gasket: PP
- Wire Terminals: Push Type
- Unit Size (Dimensions): 10-1/2"
- Mounting Depth: 3-3/8"
- Cut Out Dimensions: 9"
- Sub-Woofer Cutout Diameter: 9" Dia.
- Equivalent Compliance (VAS) [L]: 17.9
- Free Air Resonance (Fs) [Hz]: 38
- Total Speaker "Q" (Qts): 0.83
- Linear Excursion (Xmax) [mm]: 8.3
- Recommended Sealed Box Volume [L]: 17
- Port Box Volume [L]: 17
- Port Length: 7-1/2"
- Port Diameter: 3"
- UPC: 884938446600
- Weight: 10
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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i never thought that Pioneer subs really sounds good. glad I went with this one
