The Portronics Thunder 2.0 has a physical footprint of 300 mm wide, 182 mm tall, and 120 mm thick, with a total volume of 6552 cm³ and a weight of 2500 g, giving it a notably solid build. It carries an IPX6 rating, classifying it as water resistant and suitable for use in environments where it may be exposed to water splashes or jets. Controls are placed directly on the device, and the speaker features RGB lighting for added visual effect. It does not include a remote control, a touch screen, or a travel bag, and it is not a neckband-style speaker.
The Thunder 2.0 delivers a total audio output of 2 x 30W across its two channels, and includes a passive radiator to help reinforce lower frequencies without the need for a dedicated subwoofer, which this unit does not have. It does not feature a noise-canceling microphone or magnetic shielding.
The Thunder 2.0 is powered by a built-in 5000 mAh rechargeable battery that provides up to 6 hours of playback on a single charge. A battery level indicator is included so users can monitor remaining power without guessing. The battery is not removable, and the speaker does not support wireless charging.
The Thunder 2.0 connects wirelessly via Bluetooth 5.3 with a maximum range of 10 m, and also offers an AUX input for wired audio playback. It includes two USB Type-C ports but does not have a 3.5 mm audio jack socket, a 3.5 mm male connector, an external memory slot, or a microphone input. NFC pairing is not supported, nor is Wi-Fi, Ethernet, DLNA, AirPlay, Chromecast, or Auracast. On the codec side, the speaker does not support aptX, aptX HD, aptX Adaptive, aptX Lossless, aptX Low Latency, LDAC, AAC, or Bluetooth LE Audio.
The Thunder 2.0 can be used wirelessly and supports smartphone remote control, allowing playback management from a connected device. It includes voice prompts for audio feedback and a sleep timer for scheduled shutoff. Fast pairing, voice commands, and a mute function are not available, and the speaker does not have a built-in radio or the ability to function as a power bank.
The Thunder 2.0 supports stereo pairing, allowing two compatible units to be paired together to produce a wider stereo soundstage.