Offers and Promotions Audio House 11.11 Sale 2026: Extra 11% Off Storewide with Every $500 Spent, Plus eCashback and Grocery Vouchers, 11 to 22 Nov 2026 Audio House's 11.11 Sale runs from 11 to 22 November 2026, with an extra 11% off storewide for every $500 spent, eCashback, up to $500 in grocery vouchers and a free mattress upsize on selected purchases. Nov 8, 2026