Western Rivers Ranger Speaker Booster Base elevates your game calls to new levels of effectiveness. SAVE BIG! Is your game call sounding a little... thin? When your call sounds light, your haul can be, too. Kick it up a notch with this ingenious Booster! Beefy Base includes two built-in 15W amplifiers and four high-quality speakers, maximizing the sound of compatible game calls to larger-than-life levels. It also enhances the directional range by making every call a 360-degree powerhouse. Increase both your radius AND your range and attract more targets than ever! Call 'em all: 15 watts of power with four multi-directional speakers; Select from 2 or 4-speaker operation; Operates for up to 8 hours; Can be adapted to work with any 12V power source; Works with Western Rivers Apache and Nite Stalker electronic calls; 360 degree sound projection; Lightweight, easy to carry; Game call sold separately. Uses 16 AA batteries (not included).; Order now and get a round mound of sound for the best