M 1

The Acoustic Research M 1 is a compact bookshelf speaker designed to deliver a balanced audio experience in smaller listening spaces. It features a two-way speaker configuration, typically incorporating a 5.25-inch woofer and a 1-inch tweeter, which work together to create a wide frequency response, allowing for clear mids and highs along with substantial bass performance for its size. The design usually incorporates an MDF cabinet which aids in minimizing vibration and coloration of sound. It often comes with a rear-firing bass port to enhance low-frequency response and is suitable for both stereo setups and home theater applications. The M 1 is generally praised for its versatility, making it a good choice for music, movies, and gaming. The speaker typically has a sensitivity rating around 86 dB and an impedance of 6 ohms, making it compatible with a variety of amplifiers and receivers.