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Alpine Plug & Play 5-Channel Amplifier and 10" Subwoofer Kit | '14 - '21 Tundra

Alpine Plug & Play 5-Channel Amplifier and 10" Subwoofer Kit | '14 - '21 Tundra

Regular price $1,198.00
Regular price $1,399.00 Sale price $1,198.00
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Upgrade your 2014–2021 Toyota Tundra with the Trail Grid Pro Alpine Plug & Play 5-Channel Amp & Subwoofer Kit. Featuring Alpine’s powerful amplifier and subwoofer, our precision-fit enclosure, and plug-and-play installation solutions, this kit delivers clean, powerful sound with a factory-quality fit—and works with both factory and aftermarket head units. Compatible with non-amplified and amplified non-JBL Tundra's.

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Alpine 5-Channel Amplifier & 10" Subwoofer Kit

Compatible with Factory or Aftermarket Head Units | Designed for 2014–2021 Toyota Tundra

Bring next-level performance to your Tundra’s sound system with the Trail Grid Pro Alpine Plug & Play 5-Channel Amp & Subwoofer Kit. Built around the Alpine S2-A55V 5-Channel Amplifier and the Alpine S2-W10D2 10" Subwoofer, this all-in-one system is engineered to deliver tight, controlled bass, crisp mids, and smooth highs—perfectly balanced for your truck's cabin acoustics.

At Trail Grid Pro, we’ve engineered this kit specifically for the Tundra using a custom-fit subwoofer enclosure (designed and manufactured by Trail Grid Pro in Frederick, MD) and an amp bracket designed for a factory-style fit. Installation is made simple with AudX’s plug-and-play harnessing—no cutting, splicing, or guesswork required. Whether you’re a seasoned DIYer or just getting started, this kit gives you professional-level results right out of the box.

What's Included

  • Alpine S2-A55V 5-Channel Amplifier – Drives your full-range speakers and subwoofer with precision.
  • Alpine S2-W10D2 10" Subwoofer – Punchy, clean bass that fills your Tundra’s cabin.
  • Trail Grid Pro Subwoofer Enclosure – Fits behind the driver’s side rear seat for seamless integration.
  • Audx Bass Control Knob - Custom-made to work perfectly with the Kicker amp
  • AudX Amplifier Bracket – Custom-made for a secure, OEM-like amp install.
  • AudX Plug & Play Main Harness – Pre-wired, soldered, shrink-wrapped, and Tesa-taped for pro-quality installs.
  • AudX T-Harness – Enables amp connection without cutting factory wiring.
  • RCA Adapters – Ensures clean signal to the amplifier.
  • Trail Grid Pro Amp Install Kit – Includes power wiring, ground, fuse, terminals, and more.
  • 10mm Ground Bolt – Provides a solid electrical ground.
  • 10x Zip Ties – Keep your wiring clean and organized.

Alpine S2-A55V 5-Channel Amplifier

Key Features:

  • Hi-Res Audio Certified (up to 40kHz)
  • Compact Class D design
  • 5 channels: 4 full-range + 1 subwoofer
  • Adjustable crossovers & bass boost
  • Side-mounted controls and dual terminals
  • Compatible with factory and aftermarket systems

Technical Specs:

  • Power Output:
    • 40W x 4 + 200W x 1 @ 4Ω
    • 60W x 4 + 300W x 1 @ 2Ω
    • 120W x 2 (bridged) + sub
  • Signal-to-Noise Ratio: >83dB
  • Frequency Response: 20Hz – 40kHz
  • Damping Factor: >100
  • Inputs: RCA & speaker-level
  • Dimensions: 11.9” W × 2.25” H × 8.25” D
  • Fuses: 2 × 30A

Alpine S2-W10D2 10" Subwoofer

Key Features:

  • Dual 2-ohm voice coils with flexible wiring options
  • Carbon fiber/poly cone for strength and clarity
  • HAMR surround for deep excursion and tight bass
  • Compact mounting depth for versatile installations

Technical Specs:

  • RMS Power Handling: 600W
  • Peak Power: 1800W
  • Sensitivity: ~84.5 dB
  • Frequency Response: 25Hz – 215Hz
  • Mounting Depth: ~4.66”
  • Xmax (one-way): 15mm

The Trail Grid Pro Advantage

We’ve done the hard work for you—designing, pre-wiring, and pre-fitting every component. With our 2-year no-questions-asked warranty and everything built in-house at our Frederick, Maryland facility, you can be confident in both quality and fit.

Upgrade your Tundra’s audio without the headaches. This is premium sound made easy.

Alpine S2-A55V — 5-Channel Amplifier

  • Dimensions: 11.9″ W × 2.25″ H × 8.25″ D
  • Weight: ~7 lbs
  • Operating Voltage: 14.4 V
  • Total Harmonic Distortion: <0.1%
  • RMS Power Output: 40W × 4 + 200W × 1 @ 4 Ω or 60W × 4 + 300W × 1 @ 2 Ω
  • Bridged Output: 120W × 2 @ 4 Ω
  • Signal-to-Noise Ratio: >83 dB
  • Frequency Response: 20 Hz – 40 kHz (main channels)
  • Damping Factor: >100
  • Inputs: RCA and speaker-level inputs
  • Fuses: Dual 30A

Alpine S2-W10D2 — 10″ Subwoofer

  • Nominal Impedance: Dual 2 Ω (configurable to 1 Ω or 4 Ω)
  • RMS Power Handling: 600 W
  • Peak Power Handling: 1,800 W
  • Sensitivity: ~84.5 dB (1W/1m)
  • Frequency Response: 25 Hz – 215 Hz
  • Xmax (one-way): 15 mm
  • Cone/Surround: Carbon fiber/polypropylene with HAMR surround
  • Magnet/Frame: High-grade ferrite magnet with vented stamped steel frame
  • Mounting Depth: ~4.66″ (≈ 4 11/16″)

Alpine S2-A55V — 5-Channel Amplifier

  • Hi-Res Audio Certified (up to 40 kHz on four channels)
  • Compact Class D design with efficient power delivery
  • Five channels: four full-range + one dedicated subwoofer channel
  • Adjustable crossovers and variable bass boost
  • Compatible with optional remote bass controls (RUX-KNOB.2 / RUX-H01)
  • Side-mounted controls and dual-sided terminals for easier installs
  • Works seamlessly with factory or aftermarket audio systems

Alpine S2-W10D2 — 10″ Subwoofer

  • Dual 2-ohm voice coils with jumper terminals for flexible wiring
  • Carbon fiber/polypropylene cone for strength and accuracy
  • HAMR (High Amplitude Multi-Roll) rubber surround for clean, deep bass
  • Twist-lock grille mounting system (optional grille)
  • Compact mounting profile for versatile enclosure options
  • Alpine S2-A55V 5-Channel Amplifier – Drives your full-range speakers and subwoofer with precision.
  • Alpine S2-W10D2 10" Subwoofer – Punchy, clean bass that fills your Tundra’s cabin.
  • Trail Grid Pro Subwoofer Enclosure – Fits behind the driver’s side rear seat for seamless integration.
  • AudX Amplifier Bracket – Custom-made for a secure, OEM-like amp install.
  • AudX Plug & Play Main Harness – Pre-wired, soldered, shrink-wrapped, and Tesa-taped for pro-quality installs.
  • AudX T-Harness – Enables amp connection without cutting factory wiring.
  • RCA Adapters – Ensures clean signal to the amplifier.
  • Trail Grid Pro Amp Install Kit – Includes power wiring, ground, fuse, terminals, and more.
  • 10mm Ground Bolt – Provides a solid electrical ground.
  • 10x Zip Ties – Keep your wiring clean and organized.