The Yamaha PSR E423 Portable Keyboard offers several innovative features. The basic features for learning to play -- like the Yamaha Portable Grand and Yamaha Education Suite -- and features for when it's time to perform, like synthesizer Control Knobs for real-time control of filter, effects, sound envelope and Style tempo. The Arpeggiator provides an expanded 150 different patterns and 40 arpeggio Voices. These easy-to-use features set this keyboard apart from others in its class.

The Model 55SH Series II microphone provides the Shure classic UNlDYNE II design coupled with modern acoustic components to meet today's performance standards. This microphone is excellent for vocal pickup with its characteristic Shure presence peak. This microphone is ideal for public address or theater-stage sound systems, as well as for broadcasting, recording, and other sound applications where a stand-mounted microphone with a classic look is desirable.

The QSC K Series is quite simply The New Standard in lightweight powered loudspeaker systems. Under the direction of Pat Quilter, QSC's team of amplifier engineers have created a new standard in Class D power modules unparalleled in the industry. Next, breaking from the traditional loudspeaker paradigm, every model is fitted with the identical 1.75" HF device (fullrange models) and woofers of the same high quality for unparalleled performance, regardless of speaker size.

While it keeps all the features and functionality of its predecessor, the Mackie 1202-VLZ3 offers even greater headroom versus the original. We could have stopped right then and there, but we're obsessed with perfection. So we redesigned the Mix Bus, tweaked the EQs, and created a mixer with a highly intuitive, musical feel. Leave it to the innovative minds at Mackie to produce the 1202-VLZ3. You simply won't find features this good on any other mixer in this price range.

Behringer packed 75-Watts of bi-amped technology into every B1030A, ensuring that you have the enormous power reserves you'll need to drive them really hard. TRUTH monitors come equipped to function in a wide variety of situations. Switches are provided to adapt the monitor's low- and high-frequency characteristics for optimal performance specific to your listening environment. Connect B1030A loudspeakers to your computer, mp3 player or television receiver for amazing sound.