GoBoult has expanded its Bluetooth speaker lineup in India with the new Mustang GT20 and Mustang GT40 models developed in collaboration with Mustang. The speakers feature automotive-inspired designs with metallic grilles, leather-textured finishes, and Mustang branding. The GT20 delivers 20W output, while the GT40 offers 40W sound with dedicated bass and treble controls. Both models support Bluetooth 6.0, TWS pairing, USB and TF card playback, and IPX4 splash resistance. GoBoult claims up to seven hours of battery life on the GT20 and up to six hours on the GT40.