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Rapco

Rapco LTI-100 Laptop Interface

$1.99 - $89.99

The Rapco LTI-100 Laptop Interface is a versatile solution for connecting laptop audio outputs directly to professional sound systems. It features balanced XLR outputs, ground-lift switch, and level control to eliminate hum and noise during live presentations or playback sessions. Compact and rugged, it’s a reliable interface for corporate AV, educational, and event environments.

View Product Features

  • Connects laptop audio to professional sound systems
  • Balanced XLR outputs for noise-free performance
  • Ground-lift and level control features included
  • Compact, durable metal housing
  • Ideal for corporate AV and live events
  • Provides clean, interference-free audio
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About the Rapco LTI-100 Laptop Interface

The Rapco LTI-100 Laptop Interface is a compact and portable audio interface designed to bridge the gap between consumer-grade laptop audio outputs and professional sound systems. Its primary function is to solve common connectivity and signal-level issues encountered when integrating a laptop into a live sound, installed AV, or recording setup. The unit takes the unbalanced stereo line-level or headphone output from a computer and converts it into a balanced, low-impedance signal suitable for connection to mixing consoles, powered speakers, or other professional audio equipment. This process eliminates hum, reduces noise, and prevents ground loops that often plague direct laptop connections, ensuring clean and reliable audio playback for presentations, background music, or media cues.

Featuring a straightforward, plug-and-play design with no external power required, the LTI-100 draws minimal power from the laptop's USB port for its internal circuitry. It typically provides independent level controls for left and right channels, allowing for basic balance adjustment and preventing signal overload into the connected mixer. The rugged metal enclosure and professional Neutrik connectors make it durable enough for road use while its small footprint makes it easy to integrate into any tech rider or portable kit. For DJs, presenters, A/V technicians, and musicians, the LTI-100 is an essential problem-solving tool that guarantees professional audio quality from a consumer laptop source.

Key Features

  • Connects laptop audio to professional sound systems
  • Balanced XLR outputs for noise-free performance
  • Ground-lift and level control features included
  • Compact, durable metal housing
  • Ideal for corporate AV and live events
  • Provides clean, interference-free audio

Rapco LTI-100 Laptop Interface Specs

Device Summary
Product Name
LTI-100 Laptop Interface
Manufacturer
RapcoHorizon
Core Function
Unbalanced-to-Balanced Audio Interface/DI
Input Specifications
Input Source
Laptop/PC Audio Output
Input Connectors
1 x 3.5mm (1/8") Stereo Unbalanced Jack
Input Impedance
10 kOhms
Signal Type
Stereo Line or Headphone Level
Output Specifications
Output Format
Balanced Mono or Stereo
Output Connectors
2 x XLR Male (Left & Right Channels)
Output Impedance
200 Ohms (Balanced)
Ground Lift
Yes (per channel via internal switch)
Power & Control
Power Requirement
Powered by Laptop USB Port (5V DC)
Level Control
Dual Independent Level Attenuators (Left/Right)
Attenuation Range
Approximately -30 dB
Physical Specifications
Enclosure Material
Steel Case
Dimensions (approx.)
4.5" x 2.75" x 1.5" (114 x 70 x 38 mm)
Weight
0.5 lbs (0.23 kg)
Performance
Frequency Response
20 Hz - 20 kHz (+/- 1 dB)
Total Harmonic Distortion
Less than 0.05% @ 1 kHz
Common Mode Rejection
>60 dB @ 60 Hz
Maximum Input Level
+8 dBu before clipping

Key Features

  • Connects laptop audio to professional sound systems
  • Balanced XLR outputs for noise-free performance
  • Ground-lift and level control features included
  • Compact, durable metal housing
  • Ideal for corporate AV and live events
  • Provides clean, interference-free audio
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