Sears offers the Nakamichi Wireless Bluetooth Speaker, model no. BTSP80, for $79.99 with free shipping. Plus, Shop Your Way Rewards members earn around $60.80 in SYWR points. (Not a member? It's free to join.) Assuming you'll use the credit, that's $81 off list and the lowest total price we could find. Features include a 160Hz to 20kHz frequency response and six-hour run time.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.
Need it by Christmas? Same-day store pickup is available through December 24 at 6 pm local time at most locations.