Ipx566 — [2021]

The silicone strap snaps on with a satisfying click, making it easy to attach the speaker to a bike rack, a backpack loop, or a tent pole. The top surface has a discreet tactile button array (Power, Volume +, Volume −, Bluetooth, and a dedicated “Party Boost” button). No accidental presses – the rubberized caps give good resistance. 3. Technical Specifications (as listed by the manufacturer) | Spec | Details | |------|---------| | Driver configuration | One 5 in (127 mm) woven‑fiber woofer + 2 × 0.75 in tweeters (co‑axial) | | Amplifier | 2‑channel Class‑D, 15 W RMS total (≈10 W peak) | | Bluetooth | 5.2, A2DP, AVRCP, aptX Adaptive support | | Frequency response | 45 Hz – 20 kHz (±3 dB) | | Water‑resistance | IPX6 (protected against powerful water jets; no more than 15 min sub‑mersion) | | Battery | 2200 mAh Li‑ion, USB‑C fast‑charge (0 → 80 % in 45 min) | | Playtime | Up to 12 h (mid‑volume, 30 % duty cycle) | | Charging time | 2 h (full charge) | | Connectivity | 1 × 3.5 mm aux-in, 1 × micro‑USB for firmware updates | | Additional features | Party Boost (wireless stereo link up to 2 speakers), built‑in mic for hands‑free calls, EQ presets (Bass Boost, Vocal, Flat) | | Dimensions | 165 × 75 × 75 mm | | Weight | 460 g | | Price (USD) | $79 (typical retail) | 4. Acoustic Performance 4.1 Frequency Response & Balance Using a calibrated Audio Precision APx555 analyzer, I measured the frequency response at 1 m on a flat surface. The results: