Bose T1 ToneMatch Audio Engine Mixer &amp; Power Supply (Bundle)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> This Bundle contains 2 items: Bose Audio Engine Mixer &amp; ToneMatch Power Supply. </span></li><li><span class="a-list-item"> The Power Supply is required when using the engine with an L1 Compact or L1 Model I system， or a Stand Alone Mixer or with a computer. </span></li><li><span class="a-list-item"> Proprietary zEQ automatically adjusts the range of tone controls to match your voice or instrument， making it easier to fine tune your sound. Conventional mixers may have fixed EQ ranges that don't accurately affect desired frequencies when adjusted. </span></li><li><span class="a-list-item"> Single-band ParaEQ centers on frequency you specify for each independent channel. Valuable tool for reshaping problematic frequencies in certain venues. </span></li><li><span class="a-list-item"> Five reverb types (small， medium， large， plate and cavern) available for global assignment， with individual channel controls for decay time， mix level and brightness. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Ez-XZUPXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51yPVICYCJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QXVcsfJfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4116kPdD8aL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zFFzMhwaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51e8Us7bbXL.jpg" noproxy>