Monster S620 Repair

Monster, an American company that primarily sells audio and video cables, sells the S620 as a budget-oriented outdoor speaker, primarily through Amazon and similar channels. It uses a 360° acoustic layout combining a high-frequency loudspeaker with a low-frequency horn/radiator, and can be used standing vertically or lying on its side. The speaker is rated IPX8 for continuous submersion—a water rating only, with no dust ingress rating. It's similar in design to the popular JBL Flip family.

Connectivity includes Bluetooth 5.4, a microSD (TF) card slot, and USB-C charging behind a sealed flap. A built-in microphone supports speakerphone calls, and two S620 units can link in True Wireless Stereo mode. Two on-board EQ modes—Indoor (bass-heavy) and Outdoor (treble-forward)—toggle from the control panel. There is no companion app. Marketing materials and manuals list per-unit output figures ranging from 40 W to 60 W across hardware/listing revisions (80 W to 120 W claimed for a TWS pair), so identify a specific unit by its label rather than box claims.

The S620 street price varies widely with frequent discounting and is available in Black.

The S620 is a barrel roughly 8.6 in (218 mm) long and 3.3 in (84 mm) in diameter, weighing about 1.6–1.9 lb depending on listing, with rubberized end caps and a braided carry lanyard. The top control panel carries power, Bluetooth/TWS, play-pause/call, and volume/track buttons; a sealed flap conceals the USB-C port and TF card slot. The Monster model number is printed on the regulatory label.

Model numbers by color:

• Black: MS62120

• Output: 60 W claimed peak (120 W in TWS pair); some revisions listed at 40 W
• Drivers: high-frequency driver + low-frequency horn, 360° output
• Wireless: Bluetooth 5.4; TWS pairing of two units
• Inputs: Bluetooth, USB, microSD (TF) card
• Water resistance: IPX8 (submersible; no dust rating)
• Charging: USB-C
• Dimensions: ~8.6 × 3.3 × 3.3 in (218 × 84 × 84 mm)
• Weight: ~1.6 lb (740 g)
• Extras: built-in microphone, Indoor/Outdoor EQ modes, braided lanyard

• Monster official store
• Wikipedia: Monster Cable