Classic Infinity REF 9633ix 6x9" 3-way Triaxial Speakers

The audiophile-grade tweeters used in Infinity's new Reference speakers deliver smooth non-fatiguing sound even at high output levels.

Adjustable tweeter output level

The larger Reference multi-element and component systems offer a tweeter output level control to optimize system linearity to suit installation location or the listener's preference.

Plus One™ woofer cone architecture

Harman's patented (US patent #7548631) Plus One™ cones provide more overall speaker-cone area than other cones in its class - the result is higher sensitivity increased low-frequency output and accurate music reproduction.

Optimized Frame Size

Reference speakers are available in a range of standard sizes and feature a compact design that allows them to fit just about any vehicle on the road today.

Competitive pricing

Reference speakers provide step-up Infinity sound at mainstream prices.