Employing the same four bass drive units used in the ci140 and operating with the ATL, the sub reproduces additional low-frequency energy, perfect for home theatre installations.

The ci140 is complemented by the dedicated and identically sized ci140sub, for the apex in on-wall home theatre performance. Employing the same four bass drive units used in the ci140 and operating with the ATL, the sub reproduces additional low-frequency energy, perfect for home theatre installations and full-frequency music reproduction in high-end home audio and professional studio situations.