boAt Stone 350 Pro specifications and in-depth review

boAt Stone 350 Pro

Manufacturer: boAt

The boAt Stone 350 Pro is a portable speaker from boAt that combines wireless convenience with a sizeable 40W audio output through a single 50mm driver unit. It supports wireless operation via Bluetooth 5.3 and can also connect through an AUX input, making it adaptable to different source devices. RGB lighting adds a visual element to the design, and the speaker supports stereo pairing with a compatible unit for a wider soundstage.

On the technical side, the Stone 350 Pro carries an IPX5 water resistance rating, offering reasonable protection against water splashes during outdoor use. Its 800 mAh rechargeable battery delivers up to 12 hours of playback and takes approximately 2 hours to fully charge via USB Type-C. The speaker also includes an external memory slot for local audio playback and features a battery level indicator to help monitor charge status. At 940g and with dimensions of 158 x 94 x 94 mm, it sits on the larger side for a portable unit and comes with a 1-year warranty.

Pros
  • Bluetooth 5.3 ensures a stable wireless connection up to 10 m
  • 40W output power from a single driver delivers substantial volume for a portable speaker
  • USB Type-C port and AUX input offer wired connectivity and charging flexibility
  • External memory slot allows local audio playback without a connected device
  • IPX5 rating provides protection against water splashes during outdoor use
  • Stereo pairing support lets two units be linked for a wider soundstage
Cons
  • Mono speaker configuration with no stereo output from a single unit
  • No advanced audio codecs supported, including aptX, AAC, or LDAC
  • 800 mAh battery capacity is relatively modest given the 40W output
  • Bluetooth range is limited to 10 m with no Wi-Fi as an alternative
  • No fast pairing support, which can slow down the connection process
  • At 940 g, the weight may reduce portability for frequent on-the-go use
Who is this for?

The boAt Stone 350 Pro is well suited to users who want a high-volume portable speaker for outdoor or casual indoor use, where its IPX5 water resistance makes it a practical choice around water or in humid environments. The external memory slot and AUX input add convenience for those who prefer playback without relying solely on a Bluetooth-connected device, and the stereo pairing capability appeals to users who occasionally want to expand their setup with a second unit for broader room coverage.

Who is this NOT for?

Users who prioritize high-fidelity audio with advanced codec support — such as aptX, LDAC, or AAC — will find this speaker lacking, as none of these are available. At 940 g, it is also less suitable for those seeking a truly lightweight, highly portable speaker for frequent travel, particularly given that no travel bag is included. Listeners who require stereo output from a single unit or features like a sleep timer, voice commands, or wireless charging will also find the feature set insufficient for their needs.

Design:

Ingress Protection (IP) rating IPX5
volume 1396.088 cm³
drivers count 1
driver unit size 50 mm
has a neodymium magnet
control panel placed on a device
water resistance Water resistant
travel bag is included
has a touch screen
warranty period 1 years
has RGB lighting
has a detachable cable
is a neckband speaker
has a remote control
weight 940 g
height 158 mm
width 94 mm
thickness 94 mm

The boAt Stone 350 Pro measures 158 x 94 x 94 mm and weighs 940 g, giving it a moderately substantial physical presence for a portable speaker. It houses a single 50 mm driver unit and carries an IPX5 water resistance rating, meaning it can withstand water splashes without damage. The speaker features RGB lighting and includes a control panel placed directly on the device, while a touchscreen, remote control, and detachable cable are not part of the design. It does not use a neodymium magnet, nor does it come with a travel bag. The unit has a volume of 1396.088 cm³, is not a neckband-style speaker, and comes backed by a 1-year warranty.

Sound quality:

has stereo speakers
has a subwoofer
audio output power 1 x 40W
Has a passive radiator
has a magnetic shielding

The boAt Stone 350 Pro delivers audio through a single driver configuration rated at 1 x 40W output power, making it a mono speaker without stereo separation. It does not include a subwoofer or a passive radiator, and magnetic shielding is absent from the design.

Power:

battery power 800 mAh
Battery life 12 hours
charge time 2 hours
has a battery level indicator
has a rechargeable battery
has a removable battery
has wireless charging

The boAt Stone 350 Pro is powered by an 800 mAh rechargeable battery that provides up to 12 hours of playback on a full charge, which takes approximately 2 hours to complete. A battery level indicator is built in to help track remaining charge, though the battery is not removable and wireless charging is not supported.

Connectivity:

Bluetooth version 5.3
supports Bluetooth pairing using NFC
has a socket for a 3.5 mm audio jack
has an AUX input
has aptX Lossless
has LDAC
has aptX Adaptive
has aptX HD
has aptX
has aptX Low Latency
has AAC
has AirPlay
has Chromecast built-in
has Auracast
has Bluetooth LE Audio
maximum Bluetooth range 10 m
supports Wi-Fi
USB ports 1
Has USB Type-C
has a 3.5mm male connector
has an external memory slot
is DLNA-certified
supports Ethernet
has a microphone input

The boAt Stone 350 Pro connects wirelessly via Bluetooth 5.3 with a maximum range of 10 m, and also supports wired listening through an AUX input. It includes a USB Type-C port and an external memory slot, adding flexibility for charging and local audio playback. NFC pairing, Wi-Fi, Ethernet, AirPlay, Chromecast, Auracast, and Bluetooth LE Audio are not supported, nor is there a 3.5 mm audio jack socket or a 3.5 mm male connector. On the codec side, aptX, aptX HD, aptX Adaptive, aptX Lossless, aptX Low Latency, AAC, and LDAC are all absent, and the speaker does not include a microphone input or DLNA certification.

Features:

Can be used wirelessly
supports a remote smartphone
has fast pairing
has voice commands
Has a radio
Has voice prompts
has a mute function
works as a power bank
has a sleep timer

The boAt Stone 350 Pro supports wireless operation and can be controlled via a remote smartphone, while voice prompts are included to assist with device interaction. Fast pairing, voice commands, a mute function, a sleep timer, and a built-in radio are not available, and the speaker cannot function as a power bank.

Miscellaneous:

supports pairing for stereo sound

The boAt Stone 350 Pro supports stereo pairing, allowing two compatible units to be paired together for stereo sound playback.

Final Verdict

The boAt Stone 350 Pro is a straightforward portable speaker that delivers on its core promise of high-volume wireless audio with a 40W output, solid Bluetooth 5.3 connectivity, and practical additions like an AUX input and external memory slot. Its IPX5 water resistance and stereo pairing support give it genuine utility in casual outdoor and social settings. However, the mono driver configuration, absence of advanced audio codecs, and relatively heavy build mean it is best suited to users with straightforward listening needs rather than those seeking audiophile-grade performance or maximum portability. Overall, the boAt Stone 350 Pro occupies a functional position in the portable speaker space, offering a dependable feature set for everyday use within its clear limitations.

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