【Prima AP 1｜Tweeters that naturally bring out vocals and high frequencies inside the car】

If the sound from your factory speakers feels a bit muffled and you want to hear the vocalist’s voice a little more clearly, Prima AP 1 is worth considering.

This set combines a 26mm tweeter with a dedicated crossover to bring out soundstage expansion and fine details in a natural way. You’ll notice subtle sounds that are usually buried in the music—such as the vocalist’s breathing and the attack of guitars and cymbals—while also making it easier to aim the sound toward a direction that is less fatiguing even during long listening sessions.

The Prima AP 1 is designed with the idea of bringing the tweeter and the sound’s radiation point closer together, aiming for a natural sound with good overall cohesion to the ear. It’s not a type where only the high frequencies stand out; it’s a model you can use while considering how it connects with your front speakers and the factory system.

That said, tweeter impressions can change easily depending on the mounting position and angle, as well as the combination with your existing speakers. Even with the same product, how and where you mount it will affect what you hear. After checking your vehicle model, the specifications of your factory audio, and your current sound concerns, I would decide on the mounting approach while looking at the overall balance.

Even if your goal is “to get more high frequencies,” simply boosting the treble isn’t necessarily the right answer. Do you want the vocals to be easier to hear, more soundstage, or a sound that remains natural even after long listening? Based on your goal, if needed, we can think together about not only the tweeters but also the door-side speakers, the mounting base, and sound adjustments.

Main Specifications / Specs

【Basic Information】
Product name: AP 1
Series: Prima
Type: Tweeter set
Configuration: 26mm tweeter + crossover

【Performance】
Reproduction frequency range: 2kHz to 20kHz
Rated input: 50W
Input impedance: 4Ω
Output sound pressure level: 90dB/SPL
High-pass: 3.5kHz / 12dB Oct

【Mounting Dimensions】
Mounting hole diameter: 39mm
Mounting depth: 9mm