Thumb Score: +15 Amazon has Sennheiser Consumer Audio Momentum 4 Wireless Headphones (Black/Copper) for $321.90 – $157.12 when you ‘clip’ the coupon on product page = $164.78. Shipping is free. Note: You must be logged in to clip coupons; coupons are typically one use and availability may vary by account. Thanks to Community Member cathmandan…