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Prism Sound Titan USB Recording Interface with HDX expansion

Prism Sound Titan USB Audio Interface with DANTE front

The Prism Sound Titan USB Interface with MDIO/HDX expansion offering Prism’s legendary sound quality, 8 analogue I/O, 8 Digital I/O and MDIO slots for optional digital cards

Prism Sound Titan USB Recording Interface with HDX expansion

Prism January Offers! Till February 3rd buy any Prism Sound Titan or Atlas and receive a free MDIO-HDX or Dante card worth £299 and £549 respectively.

Prism Sound Titan Overview

Titan is a USB 8 channel audio interface for personal recording and sound production, for professional musicians, songwriters, engineers and producers as well as recording studios, post production facilities and scoring stages. Titan is ideal for music and sound recording, mixing, multitracking, overdubbing, stem-based mastering, analogue summing and critical listening applications.

Titan's Signal path

Titan provides Prism Sound's renowned performance, sound quality and state-of-the-art clock technology in a dedicated unit compatible with both Windows (Vista, 7 and 8, 32 and 64 bit, ASIO as well as MAC OS X 10.4.11 and later (Intel). Once configured with a computer, Titan can also operate stand-alone using its ADAT, S/PDIF or AES3 I/O.

Eight analogue input channels and up to 10 digital input channels are available as inputs for your audio workstation software through the host computer's audio driver. Similarly, eight analogue output channels, up to 10 digital output channels and stereo headphone outputs can play 20 different channels. For low-latency foldback or monitoring to headphones or main outputs, each output pair (1-2, 3-4 etc or the headphone output) can optionally be driven from the built-in DSP mixer with an individual local mix of any selection of inputs through the controller applet. All analogue inputs are electronically balanced with automatic unbalanced operation. Analogue outputs are electronically balanced with 'bootstrapping', i.e. level is maintained if one leg is grounded.

No-compromise, full Prism Sound Titan's audio quality

Titan makes no compromises on audio quality. It is the result of years of research and development into digital audio conversion and extensive dialogue with Prism Sound's customers.

Titan has the same no-compromise analogue front and back ends as Orpheus with the same fully-balanced-throughout architecture, the same isolation barriers protecting the analogue from digital and computer interference, but with a wider range of PC interface options.

Titan draws on Prism Sound's years of experience in developing digital audio products, including its range of audio test equipment, adopted by a wide variety of clients across the audio industry from pro-audio to consumer electronics. This experience means that Titan is well-behaved both as a computer peripheral and an audio processor.

Reliability is vitally important in professional recording. Prism Sound has always made extensive use of precise software calibration techniques in its converters - pots and tweaks are always unreliable, so there are none.

The design team has gone to great lengths to minimise noise and interference, in particular hum. All of the analogue circuits have galvanic isolation, while the unit's electronically balanced I/O allows it to handle common mode interference sources as well as enabling trouble-free connection to unbalanced equipment.

It is often said that THD+N figures do not always correlate well with the perception of sound quality and this is true - partly because the traditional measures of THD+N or SINAD expressed as RMS figures are rather a broad measure. With this in mind, we have taken great care to make sure that not only is the Titan noise and distortion spectrum beyond reproach, but the RMS distortion result measures up to the state of the art.

The Titan is a standards compliant USB interface

Prism Sound has taken on board the increasing importance of native processing power for professional users and the fact that software products for standard PC and Mac platforms have been greatly enhanced in recent years. Titan uses a USB2 interface. This is a UAC2 (USB Audio Class 2) interface supported natively in Mac, iPad, Linux and Android, and in Windows via a driver.

Titan is easy to connect to your computer and to your outboard gear. For both Mac and PC platforms, there is a controller application to configure the unit and control its built-in mixer and other functions. Aside from the monitor and headphone level controls, everything else is operated solely from the Titan controller application. The controller software opens on-screen as a separate panel alongside your existing editing software.

Flexible Inputs and Outputs of the Prism Titan

Our customers told us that many professional users wanted a highly integrated solution with instrument and microphone inputs, and line outputs that could be used for stereo or multi-channel monitoring and/or foldback to performers. Titan offers eight analogue recording channels, eight monitoring outputs, stereo digital input and output on a phono connector plus concurrent optical digital I/O ports that can interface to S/PDIF or ADAT data formats, giving Titan a maximum capability of 18 concurrent input and output channels plus stereo headphones.

Prism Sounds Titan's eight analogue inputs support various capabilities. Titan has four really good mic amps with software-controlled gain in 1dB steps, individually-switchable phantom power - and very low noise and distortion. These inputs are auto-sensing, and support microphone and line input, with digitally-controlled mic gain in excess of 60dB. Two of these inputs also support direct injection (DI) instrument connections with quarter-inch jacks on the front panel. RIAA Equalization can be selected in the controller applet on channels 1 & 2 so that turntables can be connected for archiving or sampling applications. By selecting the input type (Mic or DI) , low- or high-impedance cartridges can be loaded with suitable termination impedances. All analogue inputs have individually-selectable Prism Sound "Overkillers" built in, just as on the higher-priced ADA-8XR, to catch those fast transients. The Overkiller threshold automatically follows the operating line-up level selection (+4dBu or -10dBV). Overkillers are ideal for percussive sounds, particularly drums, where headroom can be a problem.

The co-axial digital I/O port can be switched in the Titan controller applet between S/PDIF and AES3 formats. This control changes the operating voltage and the Channel Status format and is complemented by two in-line adaptor leads that provide external XLR connections for AES3 devices. Other connections include wordclock sync I/O.

The Prism Sound Titan can also operate in a stand-alone mode using its ADAT or co-axial digital I/O connections. Once set up using the Titan controller applet, the unit can be disconnected from the host computer and used independently. Titan will retain its settings when powered down so even if it is switched off, Titan can be re-powered and stand-alone operation can continue with the automatically-stored settings.

Prism Sound Titans Digital Mixer

Our customers also identified a need for a unit that could provide low latency foldback to performers, particularly when tracking and overdubbing. In answer to this need, Titan has a powerful built-in digital mixer that can be configured from the host computer to provide foldback feeds to performers, each with their own stereo mix of workstation playback and any of the inputs.

The question of latency in computer interfaces, especially USB and FireWire boxes, is an important one. Obviously there are situations where the round-trip latency needs to be really short, like in overdubbing. The problem is that even if the latency on the interface and in the driver is as short as it could ever be, a native DAW is busy with plug-ins and other software and buffer times are probably set long. The only answer is to provide local foldback mixing in the interface. This is not new, and other products feature it, but most local mixers in competitive products are just too basic. Titan provides 'console quality' local mixing - every output has its own independent mixer, with channel strips for all inputs and workstation feeds, complete with fader, pan/balance pot, solo and mute buttons, and full metering. Strips can be stereo or mono, and the mixes are dithered with filtered coefficients, just as in a top-end digital mixer.

There is a very small residual delay through the A/D and D/A conversion process in the foldback path, mostly from filters used for decimation and interpolation. However, with the low-latency Prism Sound DSP mixer, the worst-case delay through the A/D and D/A path is only 0.5ms and is significantly less at higher sampling rates. This is generally reckoned to be small enough not to be problematic.

Although the unit's outputs will mainly be used for monitoring or foldback, the fact that they are of such high quality makes them suitable for a range of other applications such as insertion points, analogue summing or stem-based mastering.

Flexible Monitoring with the Titan

Professional users demand more sophisticated monitoring capabilities and are getting used to surround sound with HDTV and DVD, so it is becoming important to support surround monitoring setups.

As well as wanting great analogue recording channels, the DAW user also needs top-quality monitoring. The eight analogue outputs on Titan allow monitor setups from multi-stereo up to 7.1 surround. Titan has a real volume knob which can be assigned to any or all of the analogue or digital outputs for use as a control room monitor control. There are two headphone amps, suitable for all types of headphones, each with its own independent volume control. As well as having its own workstation feed and mixer, the headphones can also be quickly switched across the other output pairs, which is handy for setting up.

Sample Rate Conversion and Noise Shaping

The digital output is equipped with the four Prism Sound SNS noise-shaping curves and includes Prism Sound's renowned synchronous sample-rate conversion, allowing outputs to various external devices at other sampling rates. The sample-rate converter can be used at the outputs as well as the inputs, so as well as dealing with unsynchronised or wrong-rate digital inputs, Titan can also generate, say, a live 44.1kHz output from a 96kHz session. Since Titan also includes the full suite of the famous Prism Sound 'SNS' noise shapers, you can also reduce to 16-bits at mastering-house quality.

Unsurpassed Jitter Rejection

In the 1990s Prism Sound pioneered testing of sampling and interface jitter and as a result our digital audio products deliver unsurpassed jitter rejection. Prism Sound digital audio products lock up fast and re-generate ultra-stable clock outputs. Another aspect of the traditional Prism Sound converter that is retained was the clocking - it's just as important as analogue-path considerations sound-wise. So whether it's providing a high-quality master clock for the rest of the room, or dealing with a jittery clock from outside, the Prism Sound Titan is as rock-steady as its forbears.

Prism Sound Titan Features

  • No-compromise, full Prism Sound audio quality
  • Dedicated USB interface
  • Multichannel Digital I/O (MDIO) expansion port
  • ASIO drivers provided for Windows VISTA, 7 and 8 (32 and 64bit)
  • Directly compatible with CORE AUDIO on Mac OS X 10.4+
  • Eight "Prism Sound" premium-quality AD and DA channels
  • Concurrent operation of ADAT and switchable S/PDIF or AES3 ports
  • Four high-end integrated mic preamps (typ.-130dBu EIN)
  • Mic pres have individually switchable phantom power and 20dB pads
  • MS Matrix processing on mic inputs
  • Two instrument inputs
  • RIAA Equalization on inputs 1 & 2
  • Prism Sound "Overkillers" on every analogue channel to control transient overloads
  • Fully-floating (isolated) balanced architecture for optimum noise rejection
  • Mono or stereo input configurations
  • Outputs selectable between workstation bus or Titan mixer
  • Low-latency "console-quality" digital mixer for foldback monitoring
  • Fader, pan, cut, solo on every mixer channel
  • Dual headphone outputs each with its own front-panel volume control
  • Front-panel master volume control and mute, assignable to selected channels
  • Configurable for stereo, 5.1 or 7.1 or surround monitoring
  • Built-in sample rate conversion (SRC) on S/PDIF Inputs and Outputs
  • Prism Sound 4-curve SNS noise shaping on digital outputs
  • State-of-the-art clock generation with proprietary hybrid 2-stage DPLL

Prism Sound Titan Technical Specifications


  • Instrument Inputs 2 x 6.3mm mono jack sockets, auto-select to analogue inputs 1 & 2 when plugged
  • Headphone Outputs 2 x 6.3mm stereo TRS Jacks, each with illuminated volume control
  • Master volume Assignable encoder / push switch with halo indication
  • Standby button with standby indicator (also flashes when unit is in 'identify' mode)
  • Level Meters 10 x multi-segment bargraphs with overload indication, 8 for analogue, 2 for digital, assignable to inputs or outputs
  • Input selection Indicate mode of analogue inputs 1-4 as Mic / line / inst & plus phantom power indicator for mic mode
  • Overkiller For every analogue input, lit when Overkiller limiters are acting
  • Digital Input indicators for digital input unlocked and SRC (sample-rate converter) selected
  • Digital Output indicator for SRC (sample-rate converter) selected
  • Sync Master indicator, lit when interface is providing system sync


  • Mic / Line inputs 1-4 4 x combo connectors with XLR sockets for mic input and 6.3mm TRS jack sockets for line input (balanced or unbalanced)
  • Line inputs 5-8 4 x 6.3mm TRS jack sockets (balanced or unbalanced)
  • Line outputs 1-8 8 x 6.3mm TRS jack sockets (balanced or unbalanced)
  • Digital inputs
    1 x RCA
    1 x TOSLINK for S/PDIF or ADAT Optical input;
    (RCA can operate as AES3 input using XLR-RCA adapter supplied)
  • Digital output 1 x RCA 1 x TOSLINK for S/PDIF or ADAT Optical output; (RCA can operate as AES3 output using XLR-RCA adapter supplied)
  • Wordclock 2 x BNC sockets, output and input (75R)
  • USB port 1 x USB 2 port
  • Ethernet port For future expansion / AVB


  • Mac OS Support OS X 10.4 or later, Intel platform
  • Windows OS Support Windows Vista, 7 or 8, 32 or 64 bit
  • Mac audio driver Core Audio device
  • Windows audio driver ASIO device
  • Control Panel applet Graphical user interface for control of single or multiple Titan units under Mac OS X or Windows.


  • Configuration Electronically balanced, with fully-balanced analogue signal path
  • Input Sensitivity Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV' (0dBFS = +6dBu)
  • Input Impedance 14.5kΩ
  • Unbalanced Mode Automatic
  • Total harmonic distortion -117dB (0.00014%, -0.1dBFS)
  • THD+N -111dB (0.00028%, -0.1dBFS)
  • Dynamic Range 116dB (-60dBFS)
  • Gain Accuracy ±0.05dB
  • LF roll-off -0.05dB at 8Hz; -3dB at 1Hz
  • HF roll-off fs = 44.1kHz: -0.05dB at 21.1kHz; -3dB at 22.0kHz
    fs = 48kHz: -0.05dB at 23.0kHz; -3dB at 23.9kHz
    fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.9kHz
    fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 78kHz
  • CMRR 20Hz..20kHz: >70dB
  • Inter-channel cross-talk 1kHz: 140dB; 20Hz..20kHz: -120dB
  • Inter-channel phase10Hz..5kHz: ±0.25°, 5kHz..20kHz: ±1.0°, 20kHz..50kHz: ±2.0°,
  • Overkiller Progessive limiter, auto-aligning, selectable per channel
  • Impact Filter High-pass filter, -3dB at 80Hz, 40dB/decade (selectable for channels 1-4; whether in line, mic or instrument mode)
  • RIAA de-emphasis filter Response accuracy: ±0.22dB at fs=44.1kHz; ±0.14dB at fs=48kHz; ±0.015dB at other sample rates
  • M-S matrix Allows direct connection of mid-side mics, or non-matrix mic-preamps (selectable for channels 1-4; whether in line or mic mode)


  • Configuration Electronically balanced, with fully balanced analogue signal path
  • Gain 10dB to 65dB in 1dB steps (0dBFS = -56dBu to -1dBu) plus switchable -20dB pad
  • Gain accuracy ±0.05dB
  • Input impedance 5.5kΩ
  • THD +10dB gain: -116dB at -0.1dBFS (0.00016%)
  • +40dB gain: -110dB at -0.1dBFS (0.00032%)
  • THD+N +10dB gain: -108dB at -0.1dBFS (0.00040%)
  • Equivalent input noise (EIN)
    +30dB gain: -128.5dBu (0Ω source); -126.3dBu (150Ω source)
    +40dB gain: -130.9dBu (0Ω source); -127.6dBu (150Ω source)
    +50dB gain: -131.2dBu (0Ω source); -127.7dBu (150Ω source)
    +60dB gain: -131.4dBu (0Ω source); -127.8dBu (150Ω source)
  • LF roll-off -0.05dB at 20Hz, -3dB at 5Hz
  • HF roll-off As per analogue line input data (dependent on fs)
  • CMRR
    50Hz/60Hz: >110dB at all gains
    1kHz: >100dB at all gains
    20kHz: >90dB at all gains
  • Phantom power +48V, switchable per channel
  • Pad -20dB, switchable per channel


  • Configuration Unbalanced, high impedance buffer
  • Gain 10dB to 65dB in 1dB steps, 18dB pad (0dBFS = -38dBu to 17dBu)
  • Gain accuracy ±0.05dB
  • Input impedance 1MΩ


  • Configuration Electronically balanced, with fully-balanced analogue signal path
  • Output amplitude Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV (0dBFS = +6dBu)
  • Output impedance 100Ω balanced, 50Ω unbalanced
  • Unbalanced mode Automatic, with bootstrapping level compensation
  • Total harmonic distortion -107dB (0.00045%, -1dBFS)
  • THD+N -106dB (0.00050%, -0.1dBFS)
  • Dynamic range 115dB (-60dBFS)
  • Gain accuracy ±0.05dB
  • LF roll-off -0.05dB at 8Hz, -3dB at 1Hz
  • HF roll-off
    fs = 44.1kHz: -0.05dB at 21.4kHz; -3dB at 22.0kHz
    fs = 48kHz: -0.05dB at 23.2kHz; -3dB at 23.9kHz
    fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.8kHz
    fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 76kHz
  • Output balance >50dB
  • Inter-channel cross-talk 1kHz: -135dB; 20Hz..20kHz: -120dB
  • Inter-channel phase 10Hz..5kHz: ±0.4°, 5kHz..20kHz: ±0.25°, 20kHz..50kHz: ±0.5°,


  • Formats supported S/PDIF (RCA or TOSLINK), ADAT, ADAT S/MUX (TOSLINK)
  • Sample rates supported
    S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz
    ADAT (8 channel) 44.1 and 48kHz
    ADAT S/MUX (4 channel): 88.2 and 96kHz
  • Channel Status ignored
  • Word-length 24 bit
  • AES3 operation via S/PDIF RCA, using RCA-XLR adaptor (supplied)
  • Sample-rate converter (SRC) Selectable at S/PDIF input; allowing input at any sample rate
  • Bit transparency Maintained (allows recording of Dolby or DTS streams)


  • Formats supported S/PDIF (RCA or TOSLINK), ADAT, ADAT S/MUX (TOSLINK)
  • Sample rates supported
    S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz
    ADAT (8 channel) 44.1 and 48kHz
    ADAT S/MUX (4 channel): 88.2 and 96kHz
  • Channel Status Full implementation, Consumer (S/PDIF) or professional (AES3)
  • Word-length 24 bit, or reduction to 16 bits using flat TPDF dither or Prism Sound SNS (Super Noise Shaping - four alternative shapes available)
  • AES3 operation via S/PDIF RCA, using RCA-XLR adaptor (supplied)
  • Sample-rate converter (SRC) Selectable at S/PDIF output; output rate can be referenced to Wordclock, DI or local clock at 44.1, 48, 88.2, 96, 176.4 or 192kHz
  • Bit transparency Maintained in 24 bit mode (allows playback of Dolby or DTS streams to external decoder)


  • System sample rates 44.1 / 48 / 88.2 / 96 / 176.4 / 192kHz
Sync sources:
  • Master local, Wordclock, DI (S/PDIF input) or ADAT
  • Slave bus master (another interface or Host computer)
  • Local clock accuracy ±50ppm
  • Jitter rejection >60dB / decade above 100Hz
  • Internal mixer delay (total analogue in to out)
    fs = 44.1kHz: 0.56ms;
    fs = 48kHz: 0.52ms;
    fs = 88.2kHz: 0.2ms;
    fs = 96kHz: 0.18ms;
    fs = 176.4kHz: 0.09ms;
    fs = 192kHz: 0.08ms;


  • Form factor 1u 19inch rack mountable (rubber feet and rack ears supplied)
  • Dimensions
    Table top (inc feet): W: 440mm D: 290mm H: 50mm
    Rack-mount (inc ears): W: 483mm D: 290mm H: 44.5mm
  • Power: 90-250VAC, 50/60Hz internal power supply IEC 6A connector
  • Power consumption 35W
  • Fuse rating 0.5A(T), 20mm, ceramic
  • Weight: 3.7kg
  • Operation ambient conditions 0 to 35°C, 85% maximum relative hu


  • Printed manual x 1
  • Software CD x 1
  • IEC mains lead x 1
  • 19" Rackmount ears x 2 (pair)
  • Allen key (for rack ears) x 1
  • USB lead x 1
  • XLR-F to RCA-M adaptor (S/PDIF/AES3) x 1
  • XLR-M to RCA-M adaptor (S/PDIF/AES3) x 1


  • MDIO-PTHDX Cards
  • MDIO-DANTE Cards


  • Comes with Prism Sound's 3 year guarantee

Except where otherwise stated, audio performance data are RMS, unweighted, 20Hz..20kHz figures, measured at 997Hz, using fs = 96kHz and '+4dBu' sensitivity settings.

In keeping with our policy of continual development, specifications are subject to amendment without notice. E&OE.

All Trade Marks Acknowledged.

The rear panel photograph shows the optional MDIO card fitted.

Titan's Control Panel Explained