The Rolls HR187 Bluetooth Audio Direct Box is a professional‑grade Bluetooth audio adapter designed to bridge modern Bluetooth devices with analog and pro audio systems. Effortlessly stream audio from any Bluetooth‑enabled device — such as smartphones, tablets, and laptops — directly into mixers, amplifiers, powered speakers, or installed sound systems without cables.
This compact half‑rack unit features balanced stereo XLR outputs, stereo RCA jacks, and a 3.5 mm analog output, giving you flexible connectivity options for virtually any audio setup. The built‑in mono/stereo switch, level control, and rugged steel chassis make it ideal for live sound reinforcement, DJ rigs, houses of worship, boardrooms, or home studio installs.
Rolls HR187 Key Features
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Bluetooth audio conversion: Stream wireless audio into professional sound systems.
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Balanced XLR stereo outputs: Connect to mixers and PA gear with low‑noise balanced line outputs.
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Stereo RCA and 3.5 mm outputs: Easy connectivity for consumer and pro audio gear.
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Mono/Stereo switch: Select output mode to match your system’s needs.
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Level control knob: Adjust output gain for optimal signal matching.
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Rugged half‑rack steel chassis: Durable design for studio, install, or road use.
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Bluetooth 4.2 with enhanced reception: Extends wireless range and stable connection.
Rolls HR187 Specifications
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Bluetooth Version: 4.2 (with proprietary radome antenna tech).
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Outputs: 2 × balanced XLR, 2 × stereo RCA, 1 × 3.5 mm headphone/line out.
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Output Impedance: XLR: 100 Ω; RCA/3.5 mm: ~22 kΩ.
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Controls: Level, Mono/Stereo switch.
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Power: 15 V DC, 500 mA (power adapter included).
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Chassis: Powder‑coated steel.
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Dimensions: ~6.75″ × 3″ × 1.5″.
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Weight: ~1 lb (0.5 kg)
How It Works
To use the HR187, simply pair your Bluetooth device with the unit — it appears as “ROLLSBT” on your device’s Bluetooth list. Once connected, audio plays through your chosen output connections. A steady blue LED indicates successful pairing, while a slow blinking blue LED signifies active audio transmission.
Applications
The Rolls HR187 is ideal for:
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Adding Bluetooth streaming to installed audio rigs
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Connecting mobile devices to pro sound systems
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DJs and live performers integrating wireless sources
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Conference rooms and public venues
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Home audio systems that need wireless playback