Play in 4K. Portable television. With a built-in phono preamplifier, wireless Bluetooth technology, digital optical, analog RCA, and USB inputs, the R-40PM easily connects to all your favorite devices. The R-40PM produces a dynamic bass EQ for incredible acoustics, regardless of volume. With additional cabinet depth for warmer bass and a more impressive sound, it does not require a subwoofer. Incredible acoustics with a small footprint. Specifically designed to maximize system performance without compromise and eliminate the need for external amplification, the audio-video receiver can be omitted. These active monitors fit on a bookshelf, computer desk, sideboard, gaming console, or directly to the turntable. Deep-drawn copper woofers made from thermoplastic crystal polymer (TCP) use a steeper angle of the membranes for a smoother response and better crossover integration for improved accuracy and transparency. The flat magnetic grille offers you a choice between elegant black or classic copper.