
Methods to adjust the equalizer on a Reiz: 1. Open the player and play a song; 2. Select the equalizer to make the corresponding settings. The car audio equalizer is an electronic device that can adjust the amplification of various frequency component signals. It compensates for the defects of car speakers or sound fields by adjusting signals of different frequencies. Taking the 2013 Reiz as an example, its dimensions are 4750mm in length, 1795mm in width, and 1450mm in height, with a wheelbase of 2850mm. It is equipped with a 2.5L V6 naturally aspirated engine, delivering a maximum power of 142kW and a maximum horsepower of 193PS.

The audio equalizer settings for the Reiz are actually quite flexible, depending on your music preferences. Personally, I like to set the bass to around +2, keep the midrange at 0, and boost the treble to +3—this makes vocals particularly clear when listening to pop music while driving. For rock or electronic music, I increase the bass to +4 and lower the treble to avoid harshness. Remember to test with your go-to songs and take your time making adjustments, as everyone's hearing sensitivity varies. Also, seating position affects sound perception, so fine-tune after switching from the driver's seat to the passenger seat until everyone in the car is comfortable.

I've been thinking about adjusting the equalizer for quite some time. The stock audio system in the Toyota Mark X is pretty decent, but the key is to focus on three frequency bands. Don't crank up the bass too much, otherwise the doors will vibrate and buzz—keeping it between +1 to +3 is sufficient. The midrange affects the richness of vocals, and I recommend setting it between +1 to +2 for the most pleasant listening experience. Treble enhances the detail of instruments, but don't go beyond +4, or the sibilance will become harsh. You can save presets for different scenarios: I use a balanced mode for commuting and switch to a bass-boosted dynamic mode for weekend outings. Finally, a reminder not to exceed 70% volume, as even the best settings will distort at higher levels.

Adjusting the Mark X equalizer is just three steps: First, restore factory settings and find a quiet stretch of road to begin tuning. It's recommended to use a song you're most familiar with on your phone—I often use the intro of 'Hotel California' to test the drums and guitar. Gradually increase the bass knob until you can clearly hear the drum vibrations without muffled sound; adjust the treble until the cymbal sounds crisp but not overly bright; set the midrange so vocals stand firmly in the middle of the music without wavering. A little tip: The sound field differs with windows open or closed, so it's best to adjust under your usual driving conditions. After tuning, verify with different music genres—classical music is the ultimate test for balanced settings.

I find the Mark X's equalizer presets quite handy, first try the preset Pop/Jazz/Rock modes. My go-to custom settings are: 60Hz bass +2, 200Hz midrange +1, 1KHz vocal range +3, and 7KHz treble +2. When adjusting, be careful not to focus solely on bass impact—maintain instrumental layering. An easily overlooked detail: avoid piling items on the rear window shelf, as soundwave reflections can become muddy. If you frequently carry passengers, remember to fine-tune the front/rear balance based on seating distribution, since rear-seat acoustics differ significantly.


