Kicker 51PTRTP10 Powered Down Firing 10" Sub Active Subwoofer Enclosure 400w RMS
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The Kicker 51PTRTP10 is a powered down-firing active subwoofer enclosure from Kicker's PTRTP range, combining a 10-inch CompRT subwoofer, a passive reFLEX sub and a built-in 400W RMS amplifier in a single compact unit.
This listing is the 10-inch 400W model. The PTRTP range is also available as the Kicker 51PTRTP12 12-inch 500W version.
Key specifications
- Subwoofers: active 10in (25cm) CompRT plus passive reFLEX
- Amplifier: built-in, 400W RMS at 14.4V
- Frequency response: 25Hz to 120Hz
- Crossover: variable low-pass 50–120Hz, high-pass at 25Hz, both 12dB/octave
- Bass boost: KickEQ™ variable up to +6dB, centred at 40Hz
- Inputs: low level 125mV–5V, high level 1V–40V
- Phase: 0–180° switch
- Box size: 15.2cm high x 33.5cm deep x 65cm wide
- Remote bass control: included
51PTRTP10 powered down-firing 10" enclosure
Hard-hitting bass in a single package
The PTRTP combines an active CompRT subwoofer, a passive reFLEX sub and a power-matched built-in amplifier into one efficient bass solution for your vehicle.
- Compact, factory-tuned enclosure designed to fit many trucks and SUVs
- Built-in amplifier is power-matched to the drivers for maximum efficiency
- Integrates easily with a factory system via low- or high-level inputs
- Down-firing design for driver protection
- Thick internal bracing to resist stacking weight
- Active CompRT sub paired with passive reFLEX™ sub for extra output
- Remote bass control included
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Specification
| FREQUENCY RESPONSE | (Hz) 25-120 |
|---|---|
| S-TO-N RATIO (A-weighted, re | rated power) >90dB |
More specs
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What's Included
- Kicker PTRTP10
Kicker
About the Kicker 51PTRTP10
From our tech experts at CEN
A 10 inch subwoofer supplied in its enclosure, handling 400w RMS, so box volume and tuning are already matched to the driver rather than left for you to work out.
Who it suits
Drivers who want bass without commissioning a custom build. A loaded enclosure is the quickest route to a result that works, because most disappointing subwoofer installs come down to the wrong box rather than the wrong driver.
Our tech experts advise
It still needs an amplifier matched to it and a fused power feed from the battery. How the box is secured matters too: an unrestrained enclosure is dangerous in an accident. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
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Frequently Asked Questions
Q: Do I need an amplifier for this subwoofer?
A: Yes, unless it is an active (powered) subwoofer with a built-in amplifier. Passive subwoofers need an external amplifier matched to the RMS power and impedance shown in the Specification tab.
Q: What size enclosure does this subwoofer need?
A: The recommended enclosure volume is listed in the Specification tab where the manufacturer provides it. As a rule, sealed enclosures give tighter, more accurate bass while ported enclosures deliver more output. Contact CEN if you would like a recommendation for your build.
Q: What does RMS power mean?
A: RMS is the continuous power a subwoofer can handle, and it is the number that matters when matching an amplifier. Peak or max figures describe short bursts only. Match your amplifier output to the RMS rating in the Specification tab.
Q: Sealed or ported enclosure - which should I choose?
A: Sealed boxes are compact and produce tight, controlled bass suited to sound quality builds. Ported boxes are larger and produce more output at low frequencies, suited to those who want maximum impact. Either works well when built to the recommended volume.
Q: Can CEN build or supply an enclosure and fit everything?
A: Yes. CEN supplies enclosures and offers professional installation from our Nottingham premises, including amplifier wiring. Contact us to discuss your build.
Q: Does the Kicker 51PTRTP10 work with a factory stereo?
A: Yes. It accepts high-level speaker inputs from 1V to 40V as well as low-level inputs from 125mV to 5V, so it integrates easily with a factory system.
Q: Is there a 12-inch version of the Kicker 51PTRTP10?
A: Yes. The PTRTP comes in two models: this 10-inch version with a 400W amplifier, and the 51PTRTP12 with a 12-inch sub and a 500W amplifier.
Q: How big is the Kicker 51PTRTP10?
A: The enclosure is 15.2cm high, 33.5cm deep and 65cm wide, with a compact, factory-tuned design for tight locations.
