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Stereo to SPDIF ADC Converter

No. 70409
Customer Reviews:   (1)
£50.72 inc. VAT(Delivery from £2.99 inc. VAT)
10+ in stock now
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  • Convert analogue stereo audio signals to digital coaxial or optical
  • Supports uncompressed digital LPCM signals
  • Digital Coaxial and Toslink (Optical) outputs for a dual connectivity and splitting solution
  • Minimalistic, compact design and seamless functionality
  • 2 year warranty

The Lindy Stereo to SPDIF ADC Converter allows the user to easily convert analogue stereo audio signals to digital coaxial and Toslink (optical) output signals, for a high quality audio experience with movies, games and music.

With L/R Input connections, and both Optical and Digital Coaxial output ports, that can be connected individually or consecutively to ensure seamless compatibility, this audio converter is a perfect solution for connecting DVD Players, VCRs and older generation games consoles to home theatre receivers or soundbars, with no loss in quality for a superior surround-sound audio experience that enhances the impact of  video or audio content. The separate dual output connectors can also work as a splitter to two separate audio receivers.

The converters compact design ensures the device can be integrated into current installations or hidden away, while the digital connection switch to determine which input is active and plug and play functionality ensures fuss-free connectivity and use.



  • Video Interface: -
  • Interface Standard: -
  • Supported Bandwidth: -
  • Maximum Resolution: -
  • HDCP Support: -
  • Audio Interface: RCA (Phono)
  • Chipset: MIC-SN75179B+, MIC-74HC04
  • Supported Audio: LPCM
  • Maximum Supported Audio Sample Rate: 48kHz
  • Input Impedance: -
  • Output Impedance: -
  • Output Voltage: -
  • Frequency Response: ±0.5dB
  • Signal to Noise Ratio: 90 dB
  • Special Features: Output Signal Switch


  • Input: L/R Analogue (Phono)
  • Output: Toslink (Optical), SPDIF (Coaxial)
  • Power: 5.5/2.1mm DC Socket

Physical properties 

  • Dimensions (approx.) WxDxH: 46x46x23.5mm (1.81x1.81x0.93in) 
  • Housing Material: Plastic
  • Net Weight: 0.1kg (0.22lb)
  • Operating Temperature: 0°C - 40°C (32°F - 104°F)
  • Storage Temperature: -20°C - 60°C (-4°F - 140°F)
  • Humidity: 20~90% RH (non-condensing)
  • Power Requirements: 5VDC 1.2A
  • Colour: White


  • Packaging Type: Carton Box
  • Packaging Dimensions: 155x60x120mm (6.1x2.36x4.72in)
  • Gross Weight: 0.24kg (0.53lb)
  • Warranty (Years): 2
  • Certificated CE, FCC, RoHS and REACH

Package contents

  • Analogue to Digital Audio Converter
  • Multi-Country Power Supply (EU, UK, US & AUS)
  • Instruction Leaflet for Multi Country Power Adaptor
  • LINDY Manual

Purchasing information 

  • No.: 70409
  • EAN: 4002888704090
Showing our 1 review for Stereo to SPDIF ADC Converter. Write a review ›
works flawlessly

bought this little converter to connect my turntable to my devialet phantom speaker via an optical link. very easy to set up, works perfectly, not a single problem in past 18 months. highly recommended. now looking for a similar Lindy switching device with dual input to accept turntable plus another input to route to same phantom .

martin rawling | 8th September 2020
Write a Review ›
Review Summary: Stereo to SPDIF ADC Converter 5.00 out of 5 based on 1 ratings.


- £2.99 Royal Mail 1st Class
- £7.99 Next Working Day
- FREE Next Working Day on orders over £75.00

Delivery charges shown are based on standard UK mainland orders. Other options are available. More Information

Delivery Information

  • FREE Next Working Day* delivery on all orders over £75.00
  • Orders under £75.00 weighing less than 1kg are shipped using Royal Mail 1st Class delivery @ £2.99
  • Royal Mail 1st Class delivery is a non-trackable, non-recorded service
  • Orders under £75.00 that weigh over 1kg are shipped using our Next Working Day* courier service @ £7.99
  • Courier delivery is trackable
  • Saturday delivery and timed deliveries are also available - just make your choice at checkout
  • On a working day, all orders received before 5.00pm for Royal Mail, or 4.30pm for our courier service, are dispatched the same day (subject to stock availability)
  • Orders received after the above mentioned times, or on a weekend or public holiday, will be dispatched from our warehouse the following working day.
  • Orders received after 5.00pm or on a weekend or public holiday will be dispatched from our warehouse the following working day

* Next Working Day applies to UK mainland addresses only and excludes Saturday, Sunday and Bank Holidays.

For more information about our Delivery options, please click here

Please note: As of 18th August 2020, the cut off time for dispatch using our courier services will change from 17:00 to 16:30 to reflect our revised opening times.
Returns Information

We're confident that you'll be totally happy with any goods purchased from Lindy. However, if you have changed your mind about an item, and you are a private consumer (i.e. not a business customer), then you can return it to us for a full refund provided that:

  • You notify us within 30 calendar days from the day after you've received the goods
  • The item(s) are returned within 30 days of cancellation. The 30 days start the day after you have notified us of the cancellation
  • The item(s) are returned undamaged and unused, with its original packaging and complete with all manuals, components and software seals (if applicable) intact

If you are a business customer please note that the above points do not apply to B2B purchases and you should therefore read Section 5 of our Terms & Conditions

In accordance with The Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013 we would like to make you aware of the following important information:

  • We will refund within 14 days of receipt of goods (i.e. when we receive the returned items) or of evidence that the item(s) have been returned to us
  • We will refund all monies received, including outbound delivery cost, however if you chose a more expensive means than the cheapest, default standard delivery option offered we will only refund the default standard delivery option you could have chosen
  • We will not refund the cost of the return delivery to us
  • We have the right to deduct monies from refunds where goods show signs of unreasonable use leading to diminished value. We will not deduct for removal of packaging to inspect the item, but we may deduct for wear and tear where the item has not been checked but used. The charge for this is £5.00 or 15% of the product cost (whichever is greater)

Damaged in transit
If you receive goods which have been damaged in transit, please:

  • Sign the delivery note stating the goods have arrived damaged
  • Report it to us within 24 hours of receipt

Faulty or incomplete on arrival
You can return goods that have arrived faulty or incomplete for a full refund or replacement, provided that:

  • For faulty items you notify us within 7 working days from the day after you've received the goods
  • If the goods are incomplete or there is a shortfall you notify us within 3 days of receiving the goods
  • The item you return is complete with all supplied manuals, components and software

If, after testing by our Technical Dept., the product is proven to be faulty we will refund your reasonable return carriage costs.

Faulty within warranty
If a product develops a fault within its warranty period you are entitled to a repair, refund or replacement at our discretion.

Goods returned as faulty where no fault is found will be returned to the customer.

How to return goods to us
The quickest and easiest way to return goods is to complete our on-line Returns Merchandise Form.

Or you can contact our Technical Department on:

Tel: 01642 754040
Fax: 01642 754049
Email: technical@lindy.co.uk

Alternatively, you can download, complete and fax the Model Cancellation Form

We recommend you return any goods via a postal/carriage service that requires a signature upon delivery.

Please note: The above information applies to orders placed on the end user section of our website. For registered trade and business customers ordering from the trade or business sections of the site, different delivery charges and returns terms apply.