JBL Go 4 Mono portable speaker Pink 4.2 W

The Mono Portable Speaker JBL Go 4 Pink is a compact Bluetooth speaker designed for on-the-go audio. It delivers a rated RMS output of 4.2 W and covers a frequency range from 90 Hz to 20,000 Hz. Wireless connectivity is provided via Bluetooth in the 2.4–2.4835 GHz band with A2DP and AVRCP profile support, enabling audio streaming and basic remote control from compatible mobile phones and smartphones. The speaker includes an internal 850 mAh Lithium‑Ion battery, simple button-based volume control and a single driver in a lightweight pink enclosure weighing approximately 0.19 kg.

Advantages

The JBL Go 4 offers a balance of portability and sound performance with a predictable RMS power output and a broad frequency response for its size. Bluetooth A2DP and AVRCP compatibility ensures easy pairing and playback control from most mobile devices. An internal 850 mAh battery provides extended playback time relative to unit size, while the single-speaker design and compact form factor make the device convenient to carry and place in small spaces.

Suitable for

• Listening to music and podcasts on the move
• Hands-free audio playback from smartphones and mobile phones
• Small-room background music and personal listening
• Portable use during travel, outdoor activities, or at a desk

Key specifications

• RMS output power: 4.2 W
• Frequency response: 90 Hz – 20,000 Hz
• Signal-to-noise ratio: 85 dB
• Wireless connectivity: Bluetooth 2.4 – 2.4835 GHz (A2DP, AVRCP)
• Battery type and capacity: Lithium‑Ion, 850 mAh
• Controls: Button-based volume and playback controls
• Number of speakers: 1 (mono)
• Product colour: Pink
• Weight: 0.19 kg

How to use

Charge the internal battery fully before first use using the supplied or compatible charging cable. Turn on the speaker and enable Bluetooth on your mobile device, then select the speaker from the list of available devices to pair. Use the on-device buttons to adjust volume and control basic playback functions. Place the speaker on a stable surface and keep the device within typical Bluetooth range for uninterrupted streaming. After use, power off the speaker to conserve battery.

Recommendations

For best audio results, keep the speaker positioned so the front-facing side is unobstructed and allow a clear line to the listening area. Avoid exposing the unit to prolonged moisture or extreme temperatures. Regularly charge the battery and avoid deep discharge to prolong battery lifespan.