The Kirkland Signature 8.0 is a single Receiver-in-Canal (RIC) hearing aid available exclusively through Costco Hearing Aid Centers as a member service item. The "BBS" designation refers to Behind-the-Ear Body style single-unit dispensing, sold as an individual unit rather than a pair. This item is reserved for member service transactions only and is not available for standard retail purchase.

Built on a premium technology platform with a faster processing chip than its predecessor, the KS 8.0 delivers advanced hearing performance across 48 channels with 20 gain handles and 6 programmable listening programs. It supports four receiver power levels to accommodate a range of hearing loss profiles.

The KS 8.0 features automatic own-voice detection and processing for natural sound quality. It is Made for iPhone (MFi) certified, enabling direct audio and phone call streaming from Apple iPhones 5 and later. Compatible accessories include the Smart Mic, Smart Transmitter 2.4, and Smart Key. The Connexx Smart Direct app is available for both iOS and Android for discreet remote control and adjustments.