Thank you for viewing! 《Product Description》 Bose BOSE External Input Expansion Unit (Expansion Unit) IE-3II Audio Equipment Sound Equipment Accessories Companion Series Optional Parts Recommended Popular ~Quote~ A box unit that expands the external inputs of Companion3II and Companion5 to 3 systems. Design that achieves complete integration with the control pod. 《Included Items》 Everything in the photos. 《Condition》 There is normal wear and tear, but overall it is in good condition. Disinfected and cleaned, operation confirmed. Environment without pets or smokers. 《Shipping》 We will take great care to protect against shocks and pack accordingly. We will ship within 2-3 days. 【Notes】 ※ Since this is a used item, there may be stains, discoloration, dullness, scratches, and scuffs. Please check the images before purchasing. ※ There may be discrepancies between the description and the images, but the images are everything. If there are any confusing descriptions, please ask questions.