Description of 48PSC572: KICKER PS speakers are designed by bike riders and powersports enthusiasts. Designed specifically to sound good and last through every kind of weather, these drivers are the perfect solution for motorcycles, ATVs. With a high-output tweeter and high-efficiency neodymium motor, the waterproof PSC57 5 x 7 saddlebag coaxials sound clean and loud without adding unnecessary weight. The included Harley-Davidson connector and separate spade terminals make the PSC57 the perfect drop-in upgrade for your bike. These weather-proof drivers are made specifically to use factory bolt patterns and speaker terminals on your 2006-newer Harley-Davidson motorcycles. PS speakers are designed by KICKERs own bike riders and in-house engineers specifically to sound great and last through every kind of weather. Description of RPB2-BLACK: Mini Speaker with great frequency range and balanced sound, TWS - True wireless stereo to link 2 speakers wirelessly, Built out of high quality aluminum, Bluetooth Version 5.0, Hands Free phone calls using the built in microphone Built-in SD Card Slot, On android phones, you can use the speaker as a selfie remote, Input Voltage: DC 5V 1A, Li-Polymer Battery: 300 mAh, Driver: 40mm, 4O 3W, Net Weight: 95 g, Sound Output: 5 W, Bluetooth Range: 25 Feet, Frequency Response: 120 HZ - 20 KHZ, Charging Time: 30 - 40 minutes, 25% Volume Battery Life: 5 hours, 50% Volume Battery Life: 3.5 hours, Max Volume Battery Life: 2 hours, Color: Black.