Looking for powerful tower speakers but don't have room for an amp or bulky radio? DS18 introduces their first tower speaker with built-in amplifiers and Bluetooth modules! All you need are power and ground connections and you're ready to enjoy powerful sound. Perfect for buggies, ATVs, motorcycles and boats! These tower speakers fit 1.5-2" round pipes and can all be connected to the same audio source. Each built-in amplifier delivers 2x40W RMS and 2x120W maximum power to the 4" coaxial speakers, ensuring loud and clear music wherever you choose, with easy and simple Bluetooth connection to your smartphone! Key features: 4" coaxial two-way speakers for clear and powerful sound without compromising the space. Built-in amplifier delivering 40W RMS and 120W maximum to each speaker. Integrated Bluetooth controls for seamless smartphone connectivity and AUX connectivity with dual-channel RCA outputs. Compatible with the DS18 MXRC remote control for easy control (sold separately). Fits 1.5-2" diameter pipes and features a strong, durable design. IPX5 water resistance and UV resistance. Who is the product intended for? ATV and SBS (Side-by-Side) owners looking for a powerful and compact audio solution. Music enthusiasts who want to enjoy quality sound in the field without the need for an external amplifier. Bug, motorcycle and boat owners interested in tower speakers with built-in Bluetooth. Additional information: Nominal diameter: 4 inches / 101.6 mm. Total power (maximum): 240W (per pair). RMS power (internal amplifier): 2 x 40W @ 14.4V. Maximum power (internal amplifier): 2 x 120W @ 14.4V. Frequency response: 60Hz-20KHz. Case material: PC+ABS injection molding. Water resistance: IPX5 + UV resistant. Bluetooth: Version 5.0. Installation: On 1.5-2 inch pipes. Availability: Links to websites selling DS18 and SUV audio products. Important note: The price of the pair of DS18 MP4TPBT powered tower speakers may vary depending on the place of purchase and various promotions. Product prices may change from time to time, depending on changes in supplier prices on various websites and changes in foreign currency exchange rates. We recommend checking the latest price and product specifications The exact price is on the supplier's website before making the purchase.