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- What's Included
AudX Plug & Play JBL Bypass 5-Channel Amplifier Kit (w/ Factory Head Unit) | '14 - '21 Tundra
Factory Radio. Upgraded Power. Big Sound.
Give your JBL-equipped Tundra a serious audio upgrade while keeping your factory head unit. The Trail Grid Pro AudX Plug & Play JBL Bypass 5-Channel Amplifier Kit is designed exclusively for 2014–2021 Toyota Tundras with factory JBL amplified audio, bypassing the factory JBL amplifier and delivering clean, powerful AudX amplification.
Combining the AudX EZV1K 5-channel amplifier with the Rockford Fosgate DSR1 digital signal processor, this kit brings upgraded power and sound-tuning capabilities to your factory radio. Enjoy clearer vocals, more defined instruments, and tighter bass with a system built specifically for your Tundra.
Built for Your JBL Tundra
Skip the guesswork of piecing together an amplifier upgrade. This vehicle-specific kit provides the plug-and-play connections needed to bypass your factory JBL amplifier and integrate AudX power with your factory head unit.
Each kit is pre-wired and tested in-house by Trail Grid Pro in Frederick, Maryland. With a Tundra-specific mounting bracket, a power and ground kit prepped in advance, and all installation hardware included, you’ll have what you need for the amplifier installation.
Key Features
- JBL-specific fitment: Designed for 2014–2021 Toyota Tundras equipped with factory JBL amplified audio.
- Retains your factory head unit: Upgrade your sound while keeping your original radio.
- Factory JBL amplifier bypass: Replaces factory amplification with a dedicated AudX 5-channel amplifier.
- Speaker and subwoofer power: Powers your speakers and subwoofer from one compact amplifier.
- Rockford Fosgate DSR1 included: Adds digital signal processing for greater control over your sound.
- Efficient Class D design: Delivers strong output with effective heat management.
- Included remote bass knob and small switch: Conveniently adjust subwoofer output from the driver’s seat.
- Vehicle-specific installation: Includes a plug-and-play JBL bypass harness and Tundra amplifier mounting bracket.
Rockford Fosgate DSR1: Fine-Tune Your Sound
Great sound takes more than power. The included Rockford Fosgate DSR1 adds digital signal processing that lets you tailor the system to your speakers, listening preferences, and Tundra’s cabin.
Using Rockford Fosgate’s PerfectTune app on a compatible smartphone or tablet, you can adjust the processor wirelessly over Bluetooth.
- Equalization: Adjust frequency levels to shape the sound and address peaks or dips.
- Adjustable crossovers: Control the frequencies sent to your speakers and subwoofer.
- Time alignment: Adjust channel delay to help sound from different speaker locations arrive together at your listening position.
- Output-level adjustments: Balance the system’s channels for a more cohesive listening experience.
What’s Included
- AudX EZV1K Amplifier
- Rockford Fosgate DSR1
- Tundra-Specific JBL Bypass Plug & Play Wiring Harness
- Tundra Amplifier Mounting Bracket
- 4-Gauge Amplifier Power and Ground Kit — Prepped for You in Advance
- Bass Control Knob and Small Switch
- Large Zip Tie for Routing Wires
- Smaller Zip Ties for Wire Management (6)
- All Installation Hardware
AudX EZV1K Amplifier Specifications
- Amplifier design: 5-channel Class D.
- Power output at 4 ohms: 80 watts × 4 + 200 watts × 1.
- Power output at 2 ohms: 120 watts × 4 + 400 watts × 1.
- Bridged output configuration: 240 watts × 2 at 4 ohms + 400 watts × 1 at 2 ohms.
- Input level: Selectable.
- Input configuration: Selectable 2-, 4-, or 6-channel input.
- Crossovers: Variable high-pass, low-pass, and band-pass.
- Bass boost: Variable.
- Turn-on: Selectable auto turn-on with remote sensing.
- Remote bass control knob: Included.
Power output depends on speaker impedance and system configuration.
Vehicle Compatibility
- Vehicle: 2014–2021 Toyota Tundra.
- Factory audio: JBL amplified system required.
- Head unit: Factory head unit required.
This kit is exclusively for JBL-equipped Tundras retaining the factory head unit. It is not compatible with non-JBL systems or aftermarket head units.
Installation Resources
Follow our step-by-step amplifier installation video for guidance on vehicle disassembly, power and ground wiring, amplifier mounting, bass knob installation, connections, and tuning.
Planning an aftermarket subwoofer upgrade? Watch our Tundra aftermarket subwoofer installation video to help complete your setup.
Bring new life to your factory audio system with the AudX Plug & Play JBL Bypass 5-Channel Amplifier Kit from Trail Grid Pro.