RME has redefined professional audio interface capabilities with the HDSPe MADI FX, a groundbreaking card that pushes the boundaries of multi-channel audio processing with an unprecedented 390 audio channels. This remarkable achievement represents a significant leap forward in audio interface technology, offering three MADI I/Os (two optical and one coaxial), plus AES/EBU I/O, analogue monitoring output, Word Clock connection, and four MIDI I/Os. Despite this extensive connectivity, the entire system requires only one PCIe slot and one case opening, maintaining RME’s reputation for compact, efficient design.
The secret behind this massive channel count lies in RME’s newly developed modular Hammerfall Pro Audio Core, which processes three times more channels than the previous MADI flagship whilst actually reducing system load. This advanced core enables ultra-low latencies down to 32 samples on modern computers, maintaining RME’s renowned low-latency performance standards. The intelligent efficiency technology automatically deactivates unused channels, ensuring that simple stereo playback requires no more processing power than a standard stereo card, despite the professional multi-channel architecture.
Complementing the hardware innovation is a specialised version of TotalMix FX, designed to handle the enormous channel count with practical efficiency. The 4096-channel mixer responds as smoothly as its 1800-channel counterpart in the Fireface UFX, thanks to numerous performance optimisations. A faster DSP processor allows for an increased number of EQs and compressors, giving audio professionals unprecedented mixing capabilities within a single interface solution.
- 1-Lane PCI Express Endpoint device (no PCI Express to PCI Bridge)
- 2.5 Gbps line speed
- All settings changeable in real-time
- Automatic and intelligent master/slave clock control
- Sync sources: MADI coaxial, MADI optical, AES/EBU, word clock, internal
- Varipitch: by input signal or word clock
- Sample rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, variable (Sync/word clock)
- Sample rate range: MADI: 32 kHz - 96 kHz, word clock: 27 kHz - 200 kHz
- Jitter: < 1 ns, internal and all inputs
- Jitter sensitivity: PLL operates even at 100 ns Jitter without problems
- Comes with DIGICheck: the ultimate measurement, analysis and test tool
- Input word clock: Signal Adaptation Circuit (functional from 1.2 Vpp input signal), switchable termination
- Output word clock: BNC, low-impedance driver stage, 4 Vpp into 75 Ohms, short-circuit-proof
- MIDI input and output: via two 5-pin DIN jacks
- Stereo Monitor Output (Phones)
- Signal-to-Noise (DR): 110 dB RMS unweighted, 113 dBA @ 44.1 kHz



