Line level - Wikipedia
Benchmark HPA4 Headphone / Line Amplifier - Benchmark Media Systems
USB 2/2 Line-Level Audio Interface
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XLOC22X 2 inputs / 2 outputs High Voltage Active Line Output Converter — NVX
D-SH1 ‐ Stereo Headphone Amplifier - Decora® panel with user level control
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Rolls CPB7 Smartphone Breakout Box CPB7 B&H Photo Video
Headphones to Line In
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For Home DJ KTV Powered/Active Speakers,Headphone Amplifier Audio Converter USA | eBay
audio - Converting a headphone output to line level - Electrical Engineering Stack Exchange
Amazon.com: Headset Buddy Line-Level Input Audio Plus Headphone Monitoring with Built in Attenuator Adapter for iPhone, Smartphones (Mic-Line Plus) : Electronics
How can I monitor a line level signal with headphones?
Amazon.com: Headset Buddy Line-Level Audio Adapter with Built in Attenuation for iPhone, Smartphones, Soundboards and Mixers (iPhone-Mic-Line) : Electronics
CRUX CS-LOC1 Line Output Converter Convert speaker-level outputs to line- level signals at Crutchfield
AU-D160 - Professional USB Digital Audio Converter (DAC) with Integrated Headphone Amplifier - CYP Europe
Power amp adapter | DIY-Audio-Heaven
TX-LM2 ‐ Line Level to Microphone Level Transformer
Network Calc
Headphone attenuation adapter | DIY-Audio-Heaven
Audio converter box for headphone-level to line-level :: mcld.co.uk blog
operational amplifier - Line level audio output from headphones level output - Electrical Engineering Stack Exchange
