Reliable performance If youâre looking for affordable and versatile bookshelf speakers with uncompromising sound, Studio 1280T is your go-to 2.0 speaker system. Featuring a 4-inch bass driver and a calibrated, flared bass reflex port, this bookshelf speaker system delivers robust, rich bass notes that are full of presence and depth. Precise control Personalize your listening experience with the bass, treble and volume dials on the active speaker. A wireless remote control also offers volume adjustments and mute function. Dual RCA input Studio 1280T lets you connect to multiple audio devices using the dual RCA inputs.