About the Pioneer UD-SW250T
Space for bass: the final frontier
Space for bass: the final frontier
Pioneer's compact UD-SW250T subwoofer enclosure will give you great bass in a limited space. At only 4-3/4" deep, it'll fit behind the seats of most pickup trucks or into some dimensionally challenged places in other vehicles. Built with 5/8" MDF and covered in black carpet, the enclosure offers an internal volume of 0.35 cubic feet, and its sealed design delivers punchy, accurate bass. Pioneer recommends installing the TS-A2500LS4 10" shallow subwoofer (sold separately) in this enclosure.
Product highlights:
- sealed truck-style enclosure for one 10" shallow subwoofer
- 5/8" MDF (medium-density fiberboard) with black carpet covering
- internal volume: 0.35 cubic feet
- dimensions: 24"W x 12"H x 4-3/4"D1 x 3-3/8"D2
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # UD-SW250T
What's in the box:
Pioneer UD-SW250T owner's manual
- One truck-style enclosure for a single shallow mount 10" subwoofer
- Installation instructions (multiple languages)
- 2 Mounting brackets
- Eight 1" Wood screws
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More details on the Pioneer UD-SW250T

Features & specs
General | ||
---|---|---|
Box Type | Sealed | |
Number of Boxes | 1 | |
Number of Speakers Per Box | 1 | |
Speaker Size | 10 | |
Cutout Diameter or Length (inches) | 9 7/8 | |
Maximum Speaker Depth (inches) | 3-1/8 | |
Box Volume (cubic feet) | 0.35 | |
Tuning Frequency | N/A | |
Height (inches) | 12 | |
Width (inches) | 23-3/4 | |
Depth (inches) | 4-3/4 | |
Second Depth (inches) | 3-3/8 | |
Wood Thickness (inches) | 5/8 | |
Speaker Wire Connectors | Spring post | |
Box Color | Black | |
Box Finish | Carpet | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year |
Product Research
Features
Compatibility: This enclosure is designed for a single Pioneer 10" shallow-mount component subwoofer, TS-SW2502S4 (item number 130TSS2502, sold separately).
Materials: The box is constructed of 5/8" MDF (medium density fiberboard). MDF resists flexing and has anti-resonant qualities.
Design: Complementing the shallow subwoofer, this enclosure provides the smallest sealed box volume recommended for the TS-SW2502S4. The UD-SW250D enclosure will fit under the seat of some vehicles. The exterior is covered with black auto carpet.
Terminals: The spring post wire terminals, located on the side of the enclosure, will accept bare wire (up to 10 gauge), pin connectors, banana plugs, and dual banana plugs. Inside the enclosure, a 15" length of speaker wire is attached to the terminal (bare wire at the other end).
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