The Anker Soundcore Rave 3S is a sizeable unit, measuring 550 mm in height, 306 mm in width, and 283 mm in thickness, with a total volume of 47,628.9 cm³ and a weight of 10,480 g. It carries an IPX4 ingress protection rating, offering resistance to water splashes, though its water resistance is specifically rated at sweat resistant level. The speaker includes a detachable cable and features a control panel placed directly on the device for convenient operation. It does not include a travel bag, remote control, touch screen, RGB lighting, or a neodymium magnet, and it is not a neckband-style speaker.
The Anker Soundcore Rave 3S delivers 4 × 50W of audio output power, spread across four drivers, and covers a frequency range from 40 Hz to 20,000 Hz. It does not feature stereo speakers, a dedicated subwoofer, or magnetic shielding. The unit has no built-in microphones, so neither a standard nor a noise-canceling microphone is present.
The Anker Soundcore Rave 3S is equipped with a rechargeable and removable battery that provides up to 12 hours of playback on a single charge. A battery level indicator is included, allowing users to monitor remaining power at a glance. Wireless charging is not supported, so the unit must be charged via a wired connection.
The Anker Soundcore Rave 3S connects wirelessly via Bluetooth with a maximum range of 10 m, though it does not support NFC pairing, Wi-Fi, AirPlay, Chromecast, Auracast, or Bluetooth LE Audio. None of the advanced Bluetooth audio codecs are available, including aptX, aptX HD, aptX Adaptive, aptX Lossless, aptX Low Latency, AAC, or LDAC. For wired connectivity, the speaker offers an AUX input and a microphone input, along with one USB port. It does not include a 3.5 mm audio jack socket, a 3.5 mm male connector, an external memory slot, DLNA certification, or Ethernet support.
The Anker Soundcore Rave 3S can be used wirelessly and supports remote smartphone control, giving users the ability to manage playback from their device. It includes voice prompts for audio feedback and a sleep timer for scheduled shutoff. Fast pairing, voice commands, a built-in radio, and a mute function are not available, and the speaker cannot be used as a power bank.
The Anker Soundcore Rave 3S supports stereo pairing, allowing two units to be linked together for stereo sound output. Audio latency is rated at 60 ms.