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The four analog, four digital PCI express card.

As with the LynxTWO-A, but in PCI express format, the E44 is designed to satisfy the most demanding professional recording and broadcast studio requirements. Built upon the legacy of the industry-leading LynxONE and LynxTWO cards, the E series takes a leap forward to offer the highest performance A/D and D/A conversion system ever incorporated into a PCI Express card.

Key features

Four channels of A/D and D/A conversionFour channels of AES3 or S/PDIF I/O

Sample rates of 44.1, 48, 88.2, 96, 176.4 and 192kHzExtremely low-jitter SynchroLock™ sample clock generator

V2 DMA Engine promotes extremely low-latency operationFixed or adjustable trim level on all analog I/O’s, relay controlled

FPGA-based on-board hardware mixingDesigned and built in the USA

The E44 is ideal for:

Audio production. The E44 is the best sounding 4 channel PCIe card for DAW recording and playback

Broadcast applications requiring 24/7 flawless operation

Audio playback.  The E44’s pristine audio quality makes it ideal for the most demanding high-end hi-fi systems

Capturing and archiving historic and classic material with extreme accuracy and transparency

Audio measurement.  As a precise audio instrument the E44 is exceptionally accurate and transparent

Medical, military and industrial applications that require full audio spectrum capabilities and extreme reliability and precision

The E44 card utilizes sophisticated design methodologies to achieve high performance levels. Components are meticulously chosen to support low noise and distortion. Circuit topologies are compact and cancel external noise pickup. Capacitors with solid dielectrics provide high reliability and long life. Considerable effort is applied to PCB layout which focuses on component placement and routing of traces, as well as copious use of copper planes for shielding and power distribution.


The use of field-programmable-gate-arrays (FPGA) is another core technology pioneered for use in audio devices by Lynx. The E series uses the latest devices with a wealth of resources for parallel processing in our 16 X 8 mixer and V2 DMA engine which maximizes throughput on the PCIe bus while minimizing CPU workload. As always, FPGA’s allow for field-upgradeability to add features in the future.




Four channels A/D and D/A conversion

Four channels of AES3 or S/PDIF I/O

Sample rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz

Extremely low-jitter SynchroLock sample clock generator

Fixed or adjustable trim level on all analog I/O’s, relay controlled

Automatic output muting on power on/off (de-thump)

FPGA-based on-board hardware mixing

V2 DMA Engine promotes extremely low-latency operation

Drivers for Apple macOS X, Microsoft Windows 7, 8, 8.1 & 10. Thunderbolt compatible.

Lynx Mixer application

RoHS compliant

Designed and built in the USA

Cables Sold Separately

CBL-L2AudioA for analog I/O

CBL-ESYNC for digital and word clock I/O

CBL-XMDR18 S/PIDF adapter for digital in to S/PIDF

CBL-XFDR18 S/PIDF adapter for digital out to S/PIDF

Analog I/O


Four input channels / four outputs channels


TYPE: Electronically balanced or unbalanced, XLR connectors


LEVEL: +20dBu full-scale or variable +8.23dBu to +24dBu full-scale; jumper selectable


INPUT IMPEDANCE: Balanced mode: 24 kohm Unbalanced mode: 12 kohm


OUTPUT IMPEDANCE: Balanced mode: 100 ohm Unbalanced mode: 50 ohm


OUTPUT DRIVE CAPABILITY: 600 impedance, 0.2 F capacitance


A/D AND D/A TYPE: 24-bit, multi-level, delta-sigma


SAMPLE RATES: All standard sample rates up to 192kHz


Line In (includes A/D Conversion)


Analog performance specs measured at 44.1 kHz sample rate, 24-bit, card installed in computer


FREQUENCY RESPONSE: 20 - 20 kHz, 0.05 dB





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