The Rockville RPB55 is designed for those who want powerful sound in a portable package. With two 3.5" full-range drivers and passive bass radiators, this speaker delivers rich mids, crisp highs and deep bass to bring your music to life. The XL size strikes the perfect balance-big enough for loud, room-filling audio, yet easy to carry. Plus, you can wirelessly link two RPB55s together for a true stereo sound experience.

Powerful Sound, Deep Bass, and Wireless Stereo Pairing

Massive Battery Life for Nonstop Music

The built-in battery provides up to 16 hours of music playback at low volume and up to 4 hours at maximum volume. Whether you're at a party, on a road trip, or just relaxing at home, you won't have to worry about running out of power.

True Wireless Stereo (TWS) for Bigger Sound

Want even more sound? The TWS feature lets you wirelessly connect two RPB55 speakers to create a left and right stereo system for a wider, more immersive soundstage. Perfect for bedrooms, outdoor setups and parties.

Built for High-Quality Audio and Convenience

Premium Sound Components

• (2) 3.5" full-range speakers deliver crisp highs and detailed mids.
• (2) Passive bass radiators enhance low frequencies for deep, punchy bass.
• 20W RMS power output (10W per speaker) ensures loud, dynamic audio.

Multiple Playback Options

• Bluetooth 5.0 provides a stable connection with a 33-foot range.
• TF Card & USB Playback support MP3, WMA, APE, WAV files (up to 32GB).
• 3.5mm AUX input for wired connections to non-Bluetooth devices.

Hands-Free Calling

• Built-in microphone for clear phone calls without needing to disconnect.

Easy Control & Fast Charging

• Built-in playback controlsfor play, pause, skip, and volume adjustments.
• Remote control support for apps like Spotify and Pandora.
• Quick 2-3 hour charge time fvia included USB cable.

Features

• Big Sound in a Portable Design: Loud volume with deep bass in an easy-to-carry size.
• TWS Wireless Pairing: Connect two speakers for a true stereo sound experience.
• Long Battery Life: Up to 16 hours of music playback.
• Multiple Ways to Play: Bluetooth, AUX, USB, and TF card support.
• Fast Charging: Fully charges in just 2-3 hours.
• Hands-Free Calling: Built-in microphone for clear calls.
• Bluetooth 5.0: Stable connection with a 33-foot range.

What's in the Box

• Rockville RPB55 Bluetooth Speaker
• USB Charging Cable
• 3.5mm to 3.5mm AUX Cable
• Owner’s Manual

Specifications

Type	Portable Bluetooth Speaker
Speakers	(2) 3.5" Full-Range Speakers + (2) Passive Bass Radiators
Power Output	20W RMS (10W x 2)
Battery	7.4V/4000mAh Li-ion
Playback Time	16 hours (low volume), 4 hours (max volume)
Charging Time	2-3 hours
Bluetooth Version	5.0 (BR+EDR+BLE)
Bluetooth Range	33 Feet
Inputs	Bluetooth, AUX (3.5mm), USB, TF Card (Up to 32GB)
Audio Formats	MP2, MP3, WMA, APE, WAV
Controls	Play, Pause, Skip, Volume, Remote Support
Microphone	Built-in (for Hands-Free Calling)
Dimensions (Inches)	11.81" L x 5.66" W x 7.3" H
Weight	5.16 lb
Color	Black

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