Drivers of the current Toyota Yaris (XP21, model year 2020 and later) appreciate the vehicle’s reliability and efficiency. However, the standard factory audio system quickly reveals its shortcomings: an uneven frequency response, overemphasized peaks in the high-frequency range, and a lack of dynamics and precision detract from the listening experience.

To make the sound in the Yaris more enjoyable while driving, AXTON has developed a custom audio solution: a fully integrated, plug-and-play sound system that delivers maximum sound performance while being extremely easy to install—without any noticeable interference with the vehicle’s onboard system.

What makes the factory setup in the Yaris (XP21) problematic from an acoustic standpoint?

Precise frequency response measurements taken inside the Yaris clearly show why the factory-installed system quickly reaches its limits:

• Uneven frequency response: An unbalanced frequency response causes listening strain and auditory fatigue.
• Sharp, piercing high frequencies: The factory-installed tweeter in the A-pillar tends to sound shrill at higher volumes.
• Lack of soundstage imaging: Due to the lack of time alignment correction, the sound lacks a clear, spatial center on the dashboard.

The AXTON Upgrade specifically addresses these issues through the use of vehicle-specific hardware and professionally calibrated DSP technology.

The AXTON Complete Kit for the Toyota Yaris (XP21) in Detail

Front System: AXTON ATS-TOY160C (2-way component system)

• As the main sound source, the ATS-TOY160C replaces the factory speakers in the front doors and A-pillars.
• Specific terminals & plug-in connectors: Are connected directly to the original mounting points (screwed in) and cables.
• 16.5 cm woofer/midrange driver: Thanks to the CRYSTAX cone, it delivers a crisp, low-distortion fundamental tone and punchy bass.
• 19 mm aluminum tweeter: Fits perfectly into the A-pillar mount using the clip-on design and, with the included adapter, delivers silky-smooth, detailed highs.

Rear System: AXTON ATS-TOY160X (2-way coaxial system)

• The coaxial system in the rear doors ensures seamless surround sound (rear fill).
• Vehicle-specific fit: Easy replacement of the factory-installed rear speakers.
• Consistent Sound Quality: Carefully selected materials ensure a harmonious sound throughout the passenger compartment.

The centerpiece: AXTON A594DSP (4-channel DSP amplifier)

• The compact amplifier not only provides noticeably more power reserves, but also serves as the system's acoustic brain.
• A perfectly tuned sound profile right out of the factory: The setup was carefully calibrated and fine-tuned through listening tests. The fully developed Toyota Yaris profile can be downloaded for free via the AXTON Cloud in the DSP app.
• Optimized Time Alignment: Precisely aligns the signal with the driver's seat in time, creating a wide, deeply layered soundstage directly on the dashboard.
• Protective filter (high-pass at 50 Hz): Removes the lowest sub-bass frequencies from the door speakers to ensure extremely stable and crisp bass reproduction.
• Intuitive smartphone control: Detailed fine-tuning is possible at any time via the iOS or Android app.

Adapter Cable: AXTON ATS-ISO65 (Plug & Play Wiring Harness)

• The vehicle-specific wiring harness ensures effortless integration.
• No need to cut any wires: Simply plug it in between the factory radio and the original wiring harness.
• Effortless return: Ideal for leased vehicles.

Conclusion

With the AXTON Complete Set, you’re not just upgrading components—you’re also benefiting from a professionally developed sound concept. Thanks to the combination of vehicle-specific speakers, true plug-and-play installation, and the free DSP Cloud preset, you’ll achieve sound quality in the Toyota Yaris (XP21) that sets the standard in the compact car segment.