【ETON CSR-16 Rear Separate 2-Way｜A focused, natural sound that spreads to the rear of the cabin】

If you’re looking to improve the overall cohesion of the sound throughout your vehicle by replacing the rear speakers, ETON CSR-16 Rear Separate 2-Way is what I’d recommend.

Even if you replace only the front speakers, if you often listen to music from the rear seats or if you want to enjoy a natural soundstage across the entire cabin, the rear sound can sometimes feel lacking. By incorporating a separate (component) configuration on the rear side as well, the CSR-16 is a speaker that draws out both the richness of musical detail and clarity from the back.

Fine detail and focused mid-bass

The tweeter uses a 25mm ceramic-coated aluminum dome. It reproduces high-frequency information—such as the subtle nuances of vocals and the lingering resonance of instruments—in a natural and crisp way.

The mid-bass uses a 160mm CRG fiber cone. It has not only a lively, quick response but also a well-centered core in the mid-bass range that serves as the foundation of the music. This setup makes it easy to enjoy a wide range of genres—from delicate acoustic sounds to powerful rhythms in rock and pop.

When you replace the rear speakers, the sound you hear from the back seats becomes easier to listen to, and the overall cabin sound is less likely to feel thin—making it easier to achieve a seamless connection with the front.

Passive network tuning to match your preferences

The CSR-16 also supports sound-quality adjustment via a passive network. Since the tweeter level can be selected from -3dB / 0dB / +3dB, you can fine-tune the balance to match how the cabin sounds and your personal preferences.

Whether you want to push the treble slightly forward for a brighter presentation, or instead dial in a more relaxed balance, its appeal is that you can make careful adjustments while checking the sound after installation.

Speaker sound changes depending on the installation method

Even with the same speaker, the final result will vary depending on the mounting space for each vehicle, the structure of the factory speaker, and the condition of the mounting surface. Especially on the rear side, it’s important to confirm factors such as the speaker depth, the tweeter mounting position, and how it relates to the factory grille.

Since the mid-bass mounting depth is 66.4mm and the tweeter mounting depth is 15mm, you must check the available space in the actual vehicle. If necessary, proceed while considering the mounting method tailored to your vehicle and the combination with surrounding components.

For my part, I wouldn’t decide only on the speakers first. I would confirm the current front configuration and factory system, the music you typically listen to, and whether you value the front seats or the rear seats more. That’s because the best combination changes depending on whether you want the rear to play strongly or you want to naturally balance the entire cabin.

We can think together about whether the ETON CSR-16 will suit your vehicle and what kind of sound it could produce—by checking your vehicle model and current system. If you’re considering replacing your rear speakers, please feel free to consult us first.

Main Specifications

【Basic Information】
Product name: CSR-16
Configuration: 160mm 2-Way Separate Kit
Type: Rear Separate 2-Way
Brand: ETON

【Tweeter】
Type: 25mm Ceramic-Coated Aluminum Dome
Mounting depth: 15mm

【Mid-bass】
Size: 160mm
Cone: CRG Fiber Cone
Mounting depth: 66.4mm

【Performance】
Reproduction frequency range: 50Hz–24kHz
Sensitivity: 89dB (2.83V / 1m)
Impedance: 4Ω (Tweeter / Mid-bass)
Rated input: 70W
Maximum input: 120W

【Crossover】
Crossover frequency: 2.4kHz
HP: 12dB / oct
LP: 6dB / 12dB / oct switchable
Tweeter attenuator: -3dB / 0dB / +3dB

【Other】
Grille: Sold separately (GR-160)