Portable Bluetooth Speaker MARSHALL Middleton Black/Brass — 20W, IP67, Bluetooth 5.1, 60W RMS, 230×109×95 mm, 1.8 kg

MARSHALL Middleton Black/Brass is a portable Bluetooth speaker designed for outdoor and home use. It delivers stereo sound from four drivers with a combined RMS output of 60 W and a maximum SPL of 87 dB. The speaker covers a frequency range from 50 Hz to 20 kHz, supports Bluetooth 5.1 with up to 10 m wireless range, and includes a wired 3.5 mm input. The Middleton features an IP67 rating for dust and water protection, fast charging (20-minute quick charge and full charge in approximately 4.5 hours), a rechargeable accumulator, and a compact yet robust enclosure measuring 230 × 109 × 95 mm and weighing 1.8 kg.

Advantages

Robust IP67 protection makes the speaker suitable for use in varied environments where dust or moisture may be present. Bluetooth 5.1 ensures reliable wireless pairing and stable audio transmission within the stated range, while the wired 3.5 mm input provides compatibility with non-Bluetooth sources. Fast charging capability reduces downtime, and the four-driver stereo configuration with 60 W RMS power offers clear, room-filling sound for both indoor and outdoor listening. The included strap and AC cable support portability and convenient charging.

Suitable for

• Outdoor gatherings and picnics where dust and water resistance are needed
• Home use in living rooms, kitchens, or terraces
• Portable audio for small events or group listening
• Connection to non-Bluetooth devices via 3.5 mm wired input

Key specifications

• Speaker configuration: 4 drivers, stereo sound
• Audio output: 60 W RMS; max SPL 87 dB
• Frequency response: 50–20,000 Hz
• Wireless: Bluetooth 5.1 with up to 10 m range
• Wired input: 3.5 mm auxiliary connector
• Ingress protection: IP67 (dust- and water-resistant)
• Power supply: rechargeable accumulator with fast charge support (20 min quick charge; full charge ≈ 4.5 h)
• Dimensions (W×D×H): 230 × 109 × 95 mm
• Weight: 1.8 kg

How to use

Charge the speaker using the supplied AC cable until the battery is fully charged (approximately 4.5 hours) or use the quick-charge feature for a short listening period after 20 minutes of charging. For wireless playback, enable Bluetooth on your source device and select the MARSHALL Middleton from the available devices list; maintain a separation within the specified 10 m range for stable connection. To use a wired connection, insert a 3.5 mm cable between the audio source and the speaker. Place the speaker on a stable surface or carry it by the included strap when transporting. Observe the IP67 rating; while the device is protected against dust and temporary immersion, avoid prolonged submersion or exposing charging ports to water during charging.

Usage recommendations

For best performance and longevity, keep firmware updated if updates are provided by the manufacturer, avoid charging the speaker in wet conditions, and recycle the battery at appropriate collection points to minimize environmental impact.