

LYNX E44 Rev C
PRICE ON ENQUIRY
LYNX E44 Rev C PCIe audio card: 4 x 4 analogue and 4 x 4 AES3 / S/PDIF I/O, 24-bit / 192 kHz, SynchroLock clock, 16 x 8 hardware mixer. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Analogue I/O
| Channels | 4 inputs / 4 outputs |
| Type | Electronically balanced or unbalanced, XLR connectors on the cable |
| Level | +20 dBu full‑scale, or variable +8.23 dBu to +24 dBu full‑scale, jumper selectable |
| Input impedance | Balanced 24 kΩ; unbalanced 12 kΩ |
| Output impedance | Balanced 100 Ω; unbalanced 50 Ω |
| Output drive capability | 600 Ω, 0.2 µF |
| A/D and D/A type | 24‑bit, multi‑level, delta‑sigma |
Line in and line out performance (44.1 kHz, 24-bit, card in computer)
| Line in frequency response | 20 Hz - 20 kHz, ±0.05 dB |
| Line in dynamic range | 117 dB, A‑weighted |
| Line in THD+N | -111 dB (0.0003 %) at -1 dBFS, 1 kHz, 22 Hz - 22 kHz |
| Line out frequency response | 20 Hz - 20 kHz, ±0.05 dB |
| Line out dynamic range | 120 dB, A‑weighted |
| Line out THD+N | -108 dB (0.0004 %) at -1 dBFS, 1 kHz, 22 Hz - 22 kHz |
| Channel crosstalk | Less than -120 dB, 1 kHz at -1 dBFS |
Digital I/O and clock
| Digital I/O | 4 inputs / 4 outputs, 24‑bit AES/EBU or S/PDIF, transformer coupled, XLR connectors on the cable |
| Sample rates | 44.1, 48, 88.2, 96, 176.4, 192 kHz |
| Clock I/O | External: 1 in and 1 out, BNC on the sync cable; internal: 1 in and 1 out on board headers |
| Clock level / impedance | TTL / 75 Ω, word clock |
Mixer and connections
| Lynx Mixer | Complete control of the digital mixer and all hardware settings |
| Channel capacity | 16 input channels, 8 sub outputs |
| Monitor mixing | 16 x 8 |
| Metering | Peak levels to -120 dB on all inputs and outputs |
| Audio port | Bracket‑mounted 25‑pin female D‑sub, analogue I/O |
| Sync port | Bracket‑mounted 15‑pin high‑density female D‑sub, digital I/O and word clock |
General
| Bus | PCI Express x1 |
| Data transfers | LYNX V2 DMA engine, bus mastering |
| Power | +3.3 V at 630 mA, +12 V at 500 mA |
| Size | Half‑size PCIe card, 127 x 188 x 19 mm (5.0 x 7.4 x 0.75") |
| Shipping weight | 1 lb (0.45 kg) |
| Certifications | CE and FCC Class B, RoHS |
Product overview
The LYNX E44 Rev C is a four analogue, four digital PCI Express audio card with the highest performance A/D and D/A conversion LYNX has built into a PCIe card, for demanding professional recording, broadcast and playback systems.
Built on the legacy of the LynxONE and LynxTWO cards, the E series offers 4 channels of 24-bit A/D and D/A conversion and 4 channels of AES3 or S/PDIF digital I/O at sample rates from 44.1 to 192 kHz. Components are chosen for low noise and distortion, compact circuit topologies cancel external noise pickup, solid-dielectric capacitors give long life and copper planes provide shielding. An FPGA runs the 16 x 8 hardware mixer and the V2 DMA engine, which maximises throughput on the PCIe bus while minimising CPU workload, and keeps the card field-upgradable.
| Analogue and digital channels | 4 + 4 |
| Maximum sample rate | 192 kHz |
| Line out dynamic range | 120 dB |
| On‑board hardware mixer | 16 x 8 |
Key features
- 4 channels of A/D and D/A conversion, 24-bit multi-level delta-sigma
- 4 channels of AES3 or S/PDIF I/O, transformer coupled
- Sample rates of 44.1, 48, 88.2, 96, 176.4 and 192 kHz
- Extremely low-jitter SynchroLock sample clock generator
- V2 DMA engine for extremely low-latency operation
- Relay controlled trim levels on all analogue I/O
- Automatic output muting on power on / off (de-thump)
- FPGA-based on-board hardware mixing with the Lynx Mixer application
- Also usable in a Thunderbolt expansion chassis
- RoHS compliant; designed and built in the USA
Ideal for
- Audio production: recording and playback in your recording software
- Broadcast applications requiring flawless 24/7 operation
- Audio playback in the most demanding high-end hi-fi systems
- Capturing and archiving historic and classic material
- Audio measurement as a precise audio instrument
- Medical, military and industrial applications needing full audio spectrum precision
Cables sold separately
- CBL-L2AudioA for analogue I/O: 25-pin male D-sub to 4 male and 4 female XLR, 6 feet
- CBL-ESYNC for digital and word clock I/O: 15-pin HD male D-sub to 2 male and 2 female XLR and 2 female BNC, 6 feet
- CBL-XMDR18 S/PDIF adapter for digital in to S/PDIF
- CBL-XFDR18 S/PDIF adapter for digital out to S/PDIF
Lynx Mixer
The included Lynx Mixer application gives complete control of the digital mixer and every hardware setting: zero-latency input monitoring, 16 input channels and 8 sub outputs, 16 x 8 monitor mixing and peak metering to -120 dB on all inputs and outputs. Up to four E22, E44 or AES16e cards can be used in one computer.
In the box
- E44 Rev C PCI Express card (cables sold separately)
LYNX E44 Rev C: frequently asked questions
Which cables do I need?
CBL-L2AudioA for the analogue I/O and CBL-ESYNC for the digital I/O and word clock; both are optional, so only the connections you use are needed.
Which computers does it work with?
Computers with a PCI Express slot (x1) running current operating systems with LYNX drivers, and computers without PCIe slots through a Thunderbolt expansion chassis.
Can several cards share one clock?
Yes. Cards can be clocked by word clock on the sync cable or daisy-chained with the internal clock headers.
Where can I buy the LYNX E44 Rev C in India?
The LYNX E44 Rev C is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Recording and playback workstation
Producers adding mastering-quality I/O to a desktop computer.
Connections
| Connect | To |
|---|---|
| Microphone preamplifiers | Analogue inputs via CBL‑L2AudioA |
| Studio monitors | Analogue outputs |
| Computer | PCIe x1 slot |
Setup
- Install the card and the LYNX driver.
- Connect the CBL-L2AudioA cable.
- Set the analogue levels in Lynx Mixer.
- Record and play back in your recording software.
Tip: Zero-latency monitoring is set with the output buttons in Lynx Mixer.
Workflow 2: Broadcast playout with house clock
Broadcast facilities running 24/7.
Connections
| Connect | To |
|---|---|
| House word clock | Clock In BNC on CBL‑ESYNC |
| AES/EBU router | Digital I/O via CBL‑ESYNC |
Setup
- Connect the house clock to Clock In.
- Select the external clock in Lynx Mixer.
- Match the sample rate to the project.
- Route playback to the digital outputs.
Tip: Keep the default Internal clock when no house clock is used.








