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Alpine PSS-23WRA Full Sound System Upgrade for 18-20 Jeep Wrangler JL & Gladiator JT

Quadratec Part #: 96087.4535
Alpine Part #: PSS-23WRA

Jeeps are famous for their versatility, durability, and off-road capability. Unfortunately, they are not known for their sound systems. This becomes increasingly apparent when the top is down, especially with large aftermarket tires. Find out what you are missing with the Alpine PSS-23WRA Full Sound System Upgrade. This 300 watt plug and play kit is specifically designed for the Wrangler JL and Gladiator JT. It includes a high performance 8” subwoofer with built in amplifier, a pair of 1” tweeters, and a four-channel amplifier to completely overhaul your factory sound system. The PSS-23WRA is compatible with both factory and aftermarket head units, and comes with all necessary brackets, hardware, and wiring harnesses. Since the factory speakers lack high and low-end frequency range, Alpine focused their efforts on a subwoofer and tweeters.

Installation Note: On 2-door Wranglers, the PSS-23WRA will fit 2019 and newer Jeeps ONLY. It is not compatible with two-door Wranglers that have scissor style seat brackets, so it will not fit the 2018 2-door Wrangler JL.


Upgrade from Factory: By adding additional low end and top end, the Alpine PSS-23WRA Full Sound System Upgrade completely transforms your Jeep’s factory sound system. Alpine uses amplifiers for both the subwoofer and factory speakers to completely revolutionize audio.

Jeep Specific Design: Alpine designed this kit to be completely plug-n-play for the four-door Jeep Wrangler JL and Gladiator JT. No drilling, cutting, or splicing is required. The included subwoofer/amplifier bracket bolts up directly to the passenger seat bolts. This kit is compatible with both factory and aftermarket head units.

PWE-S8 Built-In Amplifier Specs:

    Class: D

    Peak Power: 240 Watts

    Root Mean Squared (RMS): 120 Watts

PWE-S8 8” Subwoofer Specs:

    Frequency Response: 32-150Hz

    Speaker Size: 8” Diameter

    Housing Dimensions: 13.5" x 9" x 3"

    Variable Phase Control: 0-180 Degrees

KTP-445U Four Channel Power Pack Amplifier Specs:

    Class: D

    Dynamic Pulse Power (DPP) Equipped: Yes

    Power: 150W DPP x 4 @ 2Ω/4Ω, 14.4V, ≤1% THD+N

    Root Mean Squared (RMS): 45W RMS x 4 @ 4Ω/2Ω or 90W RMS x 2 @ 4Ω Bridged

    Signal to Noise (1W into 4Ω): >82dB

    THD (ref. 1W into 4Ω): <0.1%

    Frequency Response: 20-20kHz (+/- 1dB)

    Waterproof Rating: IP66 rating

    Inputs: Speaker/RCA inputs (selectable, High range = 0.5-10V, Low range = 0.2-4V)

    Sound Control: Crossovers - Off/HP/LP, Fc = 50-400Hz @ -12dB/Oct. (variable); Input gain settings (variable); 2ch/4ch input (selectable)

SPR-10TW Tweeter Specs:

    Speaker Size: 1” Diameter, 11/16” Flush-Mount Depth

    Sound Control: External Crossovers with 4-Way Level Control

    Peak Power: 450 Watts

    Root Mean Squared (RMS): 5-150 Watt

    Frequency Response: 1,000-29,000 Hz

    Impedance: 4 Ohms

    Sensitivity: 88 dB

Installation Notes
Installation Difficulty:
Level 2Intermediate

Not Compatible with Jeeps Equipped with Factory Sub Woofers

Not Compatible with 2018 2-Door JL Wranglers

Installation Time: 2-3 hours
Parts Included
  • PWE-S8 8” Subwoofer
  • KTP-445U Four Channel Amp
  • SPR-10TW Tweeter Pair
  • Subwoofer/Amplifier Bracket
  • Remote Bass Knob
  • Wiring Adapters
  • Installation Hardware
1 Year Limited Warranty
  • Size: 2" Mid-Range, 8"
  • Location: Full surround
  • Shipping Weight: 23lb
  • Shipping Dimensions: 25in x 22in x 10in (L x W x H)
  • Jeep Gladiator (JT)

  • 2020 Jeep Gladiator (JT)
  • Jeep Wrangler 2-Door (JL)

  • 2020 Jeep Wrangler 2-Door (JL)
  • 2019 Jeep Wrangler 2-Door (JL)
  • Jeep Wrangler Unlimited 4-Door (JL)

  • 2020 Jeep Wrangler Unlimited 4-Door (JL)
  • 2019 Jeep Wrangler Unlimited 4-Door (JL)
  • 2018 Jeep Wrangler Unlimited 4-Door (JL)
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