![]() The underside of the speaker is where the audio is pushed out. The GravaStar logo is printed near the bottom of the front of the plastic dome.įront view of the GravaStar Supernova Bluetooth speaker with handle attached. The LED light has three modes you can choose from: dynamic light, single colour (with eight colours available), and camping light which mimics a campfire flickering. The light is oblong and encased in a black cap with thin black spindles. In the middle of the arms is a clear plastic cylindrical dome which covers the internal LED light. When attached, it arcs over the middle of the speaker and adds to the look. On the back of one spindle is two small holes which you can use to attach the included handle. ![]() The top circular piece houses the power/Bluetooth pairing button in the middle and three extra buttons, one for volume up, one for volume down, and one to change the light controls. Moving up from the speaker base are three spindles roughly 6″ in height that join at the top. On the back are two small circular areas, one with the USB-C port and the other with the 3.5mm AUX port. On the front of the base is a circular gunmetal silver piece which is where the small 0.5″ high-frequency speaker is located. Just over 2″ in height, the main base has some sci-fi pipes and other markings to complete the look. The main speaker portion is cylindrical in length, roughly 3 3/4″ in diameter at the bottom and about 3 1/2″ The legs are attached under the speaker and have tiny rubber nubs on the end to prevent sliding and scratching on your desk or table. Each leg has a thin LED strip just under an inch in length embedded in the lower half. Starting from the bottom, the three legs fold out and have a curved, robotic spider look to them. It features the same three-legged base as the others but has a cylindrical shape overall as opposed to a spherical shape. Like the GravaStar Mars and Venus Bluetooth speakers before it, the Supernova has a very sci-fi robot look to it. What’s included with the GravaStar Supernova Bluetooth speaker. ![]() The GravaStar Supernova Bluetooth speaker we reviewed has the following features and specifications: Number of speakers 2 Speaker type Full frequency Mid-low frequency speaker size 3″, 3Ω impedance High-frequency speaker size 0.5″, 4Ω impedance Frequency response range 20Hz – 20kHz Signal-to-noise ratio 90dB Rated power 25W Max power 30W Sensitivity 86dB Channel Single channel Bass adjustment Automatic adjustment Bluetooth 5.3 Bluetooth protocol A2DP, AVRCP Decoding format SBC/AAC Bluetooth distance 20m (65′) Power input 5V/2A Playtime Around 7 hours at 60% volume Standby time 18 months Charging time 3 hours Charging port USB Type-C Charging cable 1m (3.3′) Materials Zinc alloy outer shell Colour Matt Black, Dawn White Dimensions 10-12 x 7.5 inches (254-305 x 191 mm) Weight 2.2lbs (1kg) What’s in the box At worst, it makes for a great conversation or collector’s piece, but if you have some money to spare, it provides decent enough sound to suit most people. It is pricier than other Bluetooth speakers, but you’d be hard-pressed to find one as sci-fi and funky looking as this with its solid build quality. While boasting more output power than other GravaStar offerings, it does get a bit muddied once you max it out but overall it offers up decent (and loud) sound with warm bass. ![]() The light core is pretty cool, however, it’s not very bright and isn’t going to light up much more than a smaller area in a pretty dark room. The GravaStar Supernova is a very cool-looking sci-fi-inspired wireless Bluetooth speaker that has a core light that is meant to double as a lantern.
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