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LehmannAudio LA-LIN-D-MK2-B Linear D MKII Headphone Amplifier and Streaming Pre-Amplifier – Black


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High-End Headphone Amplifier and Streaming Pre-Amplifier

The Linear D II is a high-end headphone amplifier and streaming pre-amplifier for users who also want to get the best sound from their digital audio sources.

What makes the Linear D II so special is its totally revised analogue circuitry. Featuring a discrete Class A output stage, for an open and natural sound, high-grade Low-Z Copper technology across the PCB circuitry and specially selected components – like the oversized internal power supply and low-loss MKP precision capacitors – the new model delivers physical, punchy lows and startling resolution in an open and natural soundstage over the entire frequency bandwidth, allowing your headphones to fulfil their highest potential.

For easy system matching, the Linear D II features three Gain settings up-to 20dB and also benefits from two Neutrik headphone sockets with gold-plated contacts, which can be used simultaneously. The Left headphone output mutes the rear line-level RCA output when a headphone is connected. There is also an additional analogue RCA input for connecting more traditional line-level sources, but it’s main appeal is in the high-resolution digital audio inputs.

Linear D II guarantees the highest performance from your existing digital sources. With Optical (Toslink) and Coaxial (RCA 75Ω) inputs, it automatically detects the playing audio (Optical input is prioritised) and converts the raw digital data using a sophisticated ESS Sabre K2M DAC chip.

The Linear D II also functions very well as a streaming pre-amplifier for a full hi-fi system (when Gain is set to 0dB and no headphone is connected). With the auto-input detection and sophisticated internal layout, it offers a simple-yet-high-end solution that can easily drive long cables toward a power amplifier or active speakers.

The Linear D II is truly a reference class pre-amplifier for all dynamic headphones. Utilising a sturdy metal housing with SSC damping feet, for effective decoupling from environmental factors, the aluminium faceplate is available in Black, Silver or Chrome finishes.


  • High-end headphone amplifier and streaming pre-amplifier
  • High resolution digital audio inputs
  • Two headphone outputs can be operated at the same time
  • Left headphone output isolates the line-level outputs
  • Multiple Gain settings for different headphones
  • RCA inputs for connecting traditional sources
  • Auto-detecting input system prioritises Optical sources
  • Functions as a high-end pre-amplifier when Gain set to 0dB and no headphones are connected
  • Premium construction and luxury electrical components used throughout


  • Digital Inputs: 1x Toslink
  • 1x RCA (75Ω)
  • Sample Rate Digital: 32kHz / 44.1kHz  / 48kHz / 88.2kHz / 96kHz / 192kHz
  • Resolution: 24-Bit
  • Chipset: ESS Sabre K2M
  • Analog Filter: Silver Mica Capacitors
  • Max Output Voltage:1V eff.
  • Input Impedance: 47kΩ
  • Maximum Gain: 0dB / 10dB / 18db / 20dB (Switchable)
  • Frequency Response: 10Hz (-0.3dB) to 35kHz (-1dB)
  • Signal-to-Noise:>95dB at 0dB Gain
  • THD: <0.001% at 6mW (300Ω)
  • Channel Separation: >80dB / 10kHz
  • Output Power:  400 mW (60Ω) / 200 mW (300Ω)
  • Output Impedance: Line-Out: 50Ω
  • Phones-Out: 5Ω
  • Power Consumption: 13W
  • Connectors: Neutrik Phone Jacks (6.35mm)
  • 1 x Parallel to Line-Out
  • 1 x Line-Out Muting
  • Gold-Plated Connectors
  • Dimensions: 110 x 280 x 44mm
  • Weight: 1500g


Legendary Products & Support From Authorized Dealers

You’ve decided to buy LehmannAudio. That means quality and performance are important to you, so who you buy your new LehmannAudio gear from is just as important. Here are a few reasons to purchase from an authorized dealer and here is why.


Proper Training: Only authorized LehmannAudio dealers are factory trained to sell and install our products. They know our products and how to ensure that your new purchase exceeds your expectations!


Authorized Warranty: LehmannAudio provides one of the best warranties in the business. Only customers purchasing through authorized dealers receive this comprehensive company warranty. Don’t be fooled by others who promise a full warranty, because it’s simply not true.


Support: If you have an issue, you are covered by LehmannAudio Australia’s manufacturer’s warranty and all you need to do is send it back in direct to get any warranty issues sorted, not post it back overseas, its all done right here.


Protect Your Investment: Protect yourself and your investment by making sure you buy your LehmannAudio product from us, an online dealer who is part of the LehmannAudio family. Ask yourself, is it worth saving a few dollars to not be covered?!

Weight 1.5 kg


Lehmann Audio


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LehmannAudio LA-LIN-D-MK2-B Linear D MKII Headphone Amplifier and Streaming Pre-Amplifier – Black

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Out of stock