About the Pioneer TS-A120D4
Bring your tunes alive
Bring your tunes alive
I don't think it's any exaggeration to say that a good sub will make your car's sound system come alive, and Pioneer made their A-Series subs to give you the deep low-frequency punch that you want. Their TS-A120D4 12" subwoofer handles up to 500 watts RMS while pumping out loud, clean bass. This sub features an injection-molded polypropylene cone that's impregnated with glass fibers and mica for exceptional precision and strength. A butyl rubber surround supports the woofer during cone excursion so you'll get accurate, hard-hitting bass notes even when the music's turned up loud.
Enhance your ride
This potent Pioneer sub will bring out all the punch and power in your music by filling in the lowest frequencies of the sound spectrum. Its dual 4-ohm voice coils give you more wiring options when setting up your system. Throw one or two of these subs in your daily ride, power them up with a nice amp, and you'll understand what the fuss is all about — whatever you listen to, great bass will make it sound much, much better.
Product highlights:
- Featured in our article: Best 12" car subwoofers for 2023
- 12" subwoofer with dual 4-ohm voice coils
- injection-molded polypropylene/glass fiber/mica cone
- butyl rubber surround
- power handling: 500 watts RMS (250 watts per coil)
- 1500 watts peak power handling
- frequency response: 20-2300 Hz
- sensitivity: 77 dB
- mounting depth: 5-13/16"
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # TS-A120D4
What's in the box:
Pioneer TS-A120D4 owner's manual
- One 12" Subwoofer
- Trim ring
- Eight 1-1/8" Screws
- Adhesive backed foam gasket
- Manual (English/ French/ Spanish)
- Warranty information
Featured review
Product arrived quickly and as described. Tech support was excellent and easy to understand.
David from Bellevue, NE
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More details on the Pioneer TS-A120D4
Features & specs
| Size | 12 -inch | |
| Impedance (Ohms) | 2, 8 | |
| Cone Material | Glass Fiber and Mica Reinforce | |
| Surround Material | Butyl Rubber | |
| Ideal Sealed Box Volume (cubic feet) | 1.25 | |
| Ideal Ported Box Volume (cubic feet) | 1.5 | |
| Port diameter (inches) | 3 | |
| Port length (inches) | 6.5 | |
| Free-Air | No | |
| Dual Voice Coil | Yes | |
| Sensitivity |
77 dB at 1 watt | |
| Frequency Response | 20 - 2300 Hz | |
| Max RMS Power Handling | 500 | |
| Peak Power Handling (Watts) | 1500 | |
| Top Mount Depth (inches) | 5 13/16 | |
| Bottom Mount Depth (inches) | N/A | |
| Cutout Diameter or Length (inches) | 11 | |
| Vas (liters) | 87.1 | |
| Fs (Hz) | 25 | |
| Qts | 0.69 | |
| Xmax (millimeters) | 10.1 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Woofer Cone: Pioneer uses Glass Fiber and Mica reinforced injection molded polypropylene (IMPP) for the cone, making it more rigid than polypropylene alone.
Dual 4Ω Voice Coils: This woofer features two 4Ω voice coils, offering wiring flexibility. When the voice coils are wired in parallel, the woofer presents a 2Ω load; when wired in series, the woofer presents an 8Ω load.
Terminals: The spring post terminals will accept pin connectors, single banana plugs, or bare wire up to 10 gauge.
Sealed Box Volume: Pioneer recommends a sealed enclosure with an internal volume between 0.85 ft³ and 1.75 ft³, with an ideal volume of 1.25 ft³. Sealed enclosures provide the most control over the woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.
Ported Box Volume: The recommended ported box volume ranges from 1.25 ft³ to 2.0 ft³, with the ideal size being 1.5 ft³, using a single 3" diameter x 6½" long port. Ported (or vented) enclosures typically provide better overall efficiency than sealed, maximizing bass output for a given amplifier.
Measurements: When mounting the woofer without the trim ring, the dimensions change as follows:
- Mounting Height: 0.53"
- Flange Height: 0.168"
- Frame Diameter: 12.235"
The Pioneer TS-A120D4 replaces these items
- IMPP composite seamless cone with fibre-reinforced elastic polymer surround
- handles up to 400 watts RMS
- frequency response: 20-125 Hz
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