If you are looking to run some outside speakers from your HiFi then maybe these are the plugs you need

Water resistant high quality 2-way speaker for indoor or outdoor use. Price Per Speaker

GAVSHOP E550 GU10 50W 240V Clear Wide Flood Halogen Lamp

GP Recyko 2 Hour Charger & 4 x AA Rechargeable Batteries. GP's Recyko rechargeable batteries are ready to use from the packet, and will keep 90% of their charge during storage. Thus effectively making them as convenient to use as disposable batteries, but with the power and savings of a rechargeable. They will stay 90% charged for 6 months after charging, so good for long-time storage or intermittent use. Our Order Code: GPC01