RME LNI-2 DC

RME LNI-2 DC – compact and portable active DC filter, milled from a solid block of aluminum, designed to provide isolation, regulation, and filtering for 12V DC power sources. It enhances DC voltage stability and delivers an ultra-clean 12V power output, improving audio signal quality by reducing humming, buzzing, and other noises caused by power supplies or dirty mains. The device features galvanic isolation to prevent noise and leakage currents from affecting the output, and includes RME's exclusive μFilter, a discrete Ultra Low Noise linear regulator with sensor-based stabilizing technology. It is suitable for critical applications such as HiFi, test and laboratory, and industrial use. The unit includes two status LEDs for input/output voltage and overload indication, a ground terminal screw for flexible grounding options, and comes with a detailed 17-page manual containing technical data, measurement diagrams, and background information on power supplies.

The device stands out with exceptional filtering performance and low noise levels, making it ideal for environments requiring clean DC power without interference.

MAIN FEATURES

• Galvanic isolation to prevent noise, hum, high-frequency noise, and leakage currents from reaching the DC output
• RME's μFilter with Ultra Low Noise linear regulator, offering noise output of only a few μV, soft start, thermal overload, short circuit protection, and sensor technology
• Input voltage range of 9-18V DC and fixed 12.0V at 2A output with lockable socket
• Two 1m DC sensor connection cables with lockable and non-lockable 2.1x5.5mm DC plugs
• Milled from a solid block of aluminum for durability and portability
• Status LEDs for input/output voltage and overload indication
• Ground terminal screw for optional connection to PE, ground, or other devices
• 17-page manual detailing technical data, measurement diagrams, and information on linear and switching power supplies

TECHNICAL SPECIFICATIONS

• DC Input: Input voltage range: 9 – 18 V DC; Polarity: Center +, Outside -; Connector: 2.1x5.5mm, lockable or normal; Power consumption idle: 0.7 Watt; Power consumption typical, 12V input, 2 A load: 31 Watts
• DC Output μFilter: Output voltage: 12.0 V; Continuous output current: 2.0 A; Continuous output power: 24 Watt; Maximum output current: 3.0 A; Noise @ 0 - 3 A, AES17: < 2 μV, < 1 μV A-weighted; Noise @ 0 - 3 A, 100 kHz bandwidth: <3 μV, < 2 μV A-weighted; Output impedance including cable: 0.012 Ohm; Load Regulation (0/1/2 A): 0.20 %; Overload protection: > 3.0 A; Overheating protection: > 80 °C (176 °F); Undervoltage detection: < 9.0 V; Short circuit current (LED red): <0.1 A; Filter (decoupling) efficiency, 10 Hz – 1 kHz: >110 dB; Filter (decoupling) efficiency, 1 kHz - 200 kHz: >70 dB
• General: Dimensions (WxHxD): 80 x 30 x 123 mm, 3.15“ x 1.18“ x 4.84“; Weight: 605 g (1.33 lbs); Temperature range: +5 °C up to +40° Celsius (41 °F up to 104 °F); Relative humidity: < 75%, not condensing
• Package Contents: LNI-2 DC; DC Sensor connection cable with lockable DC plug 2.1x5.5 mm, 1 m; DC Sensor connection cable with DC plug 2.1x5.5 mm, 1 m; Manual