Denon is releasing their version of a bookshelf class-D amp with an abundance of digital inputs. The PMA-50 supports digital audio of up to 24bit/192KHz via USB, coaxial or two optical inputs. Additionally it sports a single analog audio input. On the output side of things, numbers reach 50W at 4Ω. The frontpanel comes in two flavors, allowing you to position the amplifier flat or upright.