Amped up sound, toned down size for presentations, excursions, and impromptu dance parties. The Goal Zero Rock Out 2 portable speaker amplifies tunes from your mp3 player, phone, or laptop for more than 20 hours without draining battery power from your device.

• DarkBass technology utilizes an innovative chamber design to deliver precise, high-quality sound
• Rugged, water-resistant shell protects the speaker and your device during any outdoor adventure
• External buttons give you easy control over the music—switch songs, play/pause, and adjust the volume directly from the speaker
• Compatible with mp3 players, smartphones, tablets, laptops, personal gaming devices, and more
• Charges directly from Nomad 7M solar panel or via USB
• Wooden sound box and bass speakers delivers a full range of high quality sound
• Recharge from solar panel in 2 hours (depending on conditions) or from any USB source in 3 hours
• Run time: up to 20 hours
• Internal speakers: 2 x 40 mm, 3W drivers; stereo amplifier: 3W max, 70dB SNR, 100Hz - 20KHz
• Internal battery: Lithium-ion, 3.7V, 0.8Ah (3 Wh)—won’t drain your device’s power
• Dimensions: 7 x 3.75 x 2.5 in. (17.8 x 9.5 x 6.4 cm); weight: 12 oz. (340 g)
• Due to federal shipping restrictions regarding products containing lithium batteries, this product cannot be shipped to Canada, Hawaii, Alaska, Catalina Island, Puerto Rico, APO, FPO, or international addresses. Thanks for your understanding.