Home Brands Britax Safe-n-Sound Show all results () Refine results Categories Sub Categories Brands Price Show me Refine items Britax Safe n Sound Britax Safe n Sound are the industry leader in child car safety in Australia. From Convertible Car Seats, Capsules & Infant Carriers, Booster Seats and Accessories, Britax has everything you need to keep your baby, toddler or older child safe in the car from newborn until 8 years.