The JBL Go 4 is an ultra-portable Bluetooth speaker that delivers impressive audio performance in a compact design. Below is a comprehensive overview of its specifications:

Audio Performance:

  • Transducer: Equipped with a 45 mm (1.75″) driver.
  • Output Power: Delivers 4.2 W RMS, ensuring clear and robust sound.
  • Frequency Response: Covers a range from 90 Hz to 20 kHz, capturing both deep bass and crisp highs.
  • Signal-to-Noise Ratio: Exceeds 85 dB, indicating minimal background noise for a clearer listening experience.

Battery and Playtime:

  • Battery Type: Powered by a Li-ion polymer battery with a capacity of 3.23 Wh (equivalent to 3.8 V / 850 mAh).
  • Charging Time: Recharges fully in approximately 3 hours using a 5 V, 1 A power source.
  • Playtime: Offers up to 7 hours of continuous playback on a single charge. Additionally, the Playtime Boost feature provides an extra 2 hours by optimizing performance for louder and crisper sound.

Connectivity:

  • Bluetooth Version: Utilizes Bluetooth 5.3 for a stable and efficient wireless connection.
  • Profiles Supported: Compatible with A2DP V1.4 and AVRCP V1.6 profiles.
  • Frequency Range: Operates within the 2400 MHz to 2483.5 MHz spectrum.
  • Transmitter Power: Maximum output of ≤ 9 dBm (EIRP).
  • Modulation Techniques: Employs GFSK and π/4 DQPSK modulation for efficient data transmission.

Durability and Design:

  • IP67 Rating: Certified as both waterproof and dustproof, making it suitable for various environments, from poolside gatherings to beach outings.
  • Materials: Constructed using post-consumer recycled plastic and fabric for the speaker grille. Packaging is eco-friendly, utilizing FSC-certified paper printed with soy ink.

Dimensions and Weight:

  • Size: Measures 94.3 x 75.7 x 42.2 mm (3.7 x 3.0 x 1.7 inches), making it highly portable.
  • Weight: Weighs approximately 0.19 kg (0.42 lbs), ensuring easy transport.

Additional Features:

  • Multi-Speaker Connectivity: Supports Auracast™, allowing users to pair two Go 4 speakers for stereo sound or connect multiple JBL Auracast-enabled speakers for an amplified audio experience.
  • Color Options: Available in vibrant colorways inspired by the latest street fashion and lifestyle trends, introducing new shades and combinations.
  • App Support: Compatible with the JBL Portable app, enabling users to receive updates, access product support, and fine-tune sound settings with multiple EQ presets or a fully customizable equalizer.

In the Box:

  • 1 x JBL Go 4 speaker
  • 1 x Type-C charging cable
  • 1 x Quick Start Guide
  • 1 x Warranty Card and Safety Sheet

The JBL Go 4 combines portability, durability, and quality sound, making it an excellent choice for music enthusiasts on the move.

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