The Bose Model 141 is a pair of compact, wired bookshelf speakers featuring a 4.5-inch StarDriver™ full-range driver, designed for 10 to 80 watts of amplifier power and 4-8 ohm impedance, with dimensions of 6"H x 9.75"W x 6.5"D and a weight of 4.4 lbs each. They were released in the mid-1980s and discontinued around 2003.  

Key Specifications 
Driver: One 4.5-inch StarDriver full-range driver per speaker.
Power Handling: Compatible with amplifiers rated from 10 to 80 watts per channel.
Impedance: 4-8 ohms.
Dimensions (per speaker): 6" H x 9.75" W x 6.5" D.
Weight (per speaker): 4.4 lbs.

Key Features
Full-range Sound: The design incorporates a proprietary StarDriver full-range driver to deliver both high and low frequencies without needing a separate tweeter. 
Compact Design: These speakers are designed to be compact and suitable for placement on shelves or tables. 
Slot Port Tuning: Special slot port tuning is used to produce a deep, full bass sound. 
Enclosure: Features a slate gray vinyl veneer. 
Usage
Versatile Placement: Can be placed on shelves, tables, or counters. 
Home Theater: Suitable for use as rear home theater speakers with a surround sound system. 
Stereo Systems: Can serve as a solid addition to a home stereo system, especially in smaller rooms.