The Bose SoundLink Flex 2nd Gen is Bose's compact waterproof portable speaker, updated with improved audio performance and battery life over the original model. At Rs. 11,900 in Mumbai, it is positioned squarely in the mid-range portable speaker segment, competing against the JBL Charge 5 and Sony SRS-XB33.
What Changed in the 2nd Generation?
The second generation SoundLink Flex brings three meaningful improvements over the original: a louder maximum volume, a longer rated battery life of 12 hours (up from the original's 12 hours — Bose improved efficiency rather than just capacity), and improved low-frequency output from the same compact transducer setup. The rugged design, IP67 rating, and PositionIQ sensor technology from the first generation are retained unchanged.
For buyers upgrading from the original SoundLink Flex, the improvement in maximum volume and bass is noticeable rather than dramatic — the 2nd gen is better, but the original was already a strong performer. For first-time buyers evaluating this against competing options at similar prices in Mumbai, the 2nd gen is simply the better purchase at the same price point.
Key Specifications
- Driver Configuration: Transducer, two passive radiators
- Waterproofing: IP67 (dustproof and waterproof up to 1 metre for 30 minutes)
- Battery Life: Up to 12 hours at moderate volume
- Charging: USB-C, approximately 4 hours to full charge
- Bluetooth: Version 5.3, approximately 9 metres range
- PositionIQ: Automatically optimises audio for upright or lying-flat orientation
- Speakerphone: Built-in microphone for hands-free calls
- Pairing: Bose SimpleSync for multi-speaker stereo or party mode
- Weight: 590 grams
- Dimensions: 195 mm x 80 mm x 65 mm
- Colours: Black, White, Stone Blue, Cypress Green
Audio Quality
The SoundLink Flex 2nd Gen sounds noticeably larger than its physical size suggests. Bose's acoustic engineering extracts strong low-mid and bass frequencies from the dual passive radiator setup, producing a warm and full sound that is unusual at this compact size. At moderate volumes — roughly 60–70% — the speaker delivers clean, punchy audio with good stereo separation despite being a mono driver unit.
The PositionIQ technology is a practical feature that works as advertised. When the speaker is placed lying flat on its back — as it often is when placed on a table or poolside surface — it automatically adjusts the EQ to compensate for the change in acoustic projection. The difference is audible and appreciated: most speakers placed flat on a surface lose significant low frequency energy, but the SoundLink Flex adapts intelligently.
For Mumbai outdoor use — at Marine Drive, Worli Sea Face, a terrace gathering, or at the beach — the IP67 rating provides genuine confidence. Light rain during Mumbai's monsoon season poses no risk to the speaker, and the rubbery exterior is easy to clean and resistant to dust from construction sites, a common irritant in Mumbai's urban environment.
Battery and Charging
The 12-hour battery life at moderate volumes is honest and achievable in real-world use. Playing at consistently high volumes will reduce this to approximately 8–9 hours, but for most use cases — background music during gatherings, outdoor outings of a few hours — a single charge is ample for a full day of use.
USB-C charging is standard now, which means the same charger used for smartphones works for this speaker. Bose does not include a charger in the box (only a cable), which is worth noting when budgeting for the purchase.
How It Compares to JBL Charge 5 at Similar Price
At Rs. 11,900, the SoundLink Flex 2nd Gen and JBL Charge 5 are frequently compared. The JBL Charge 5 offers a larger battery with a longer rated life and a built-in powerbank function for charging phones. The Bose wins on sound quality — specifically on dialogue clarity, balanced midrange, and the practical PositionIQ feature. For music listeners who prioritise audio fidelity over power banking, the Bose is the better choice. For outdoor adventurers who want to charge devices from the speaker, the JBL has the edge.
Buy the Bose SoundLink Flex 2nd Gen in Mumbai
The Bose SoundLink Flex 2nd Gen is available in Mumbai at Rs. 11,900 at Sony Mony Electronics. As an authorised Bose dealer, Sony Mony offers genuine products with full manufacturer warranty. Visit sonymony.co.in to check current stock, colour availability, and to place an order for home delivery across Mumbai.