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Atlas Sound TSD-ALC2 2-Channel Audio Level Controller/Limiter
  • Atlas Sound TSD-ALC2 2-Channel Audio Level Controller/Limiter
  • Atlas Sound TSD-ALC2 2-Channel Audio Level Controller/Limiter
  • Atlas Sound TSD-ALC2 2-Channel Audio Level Controller/Limiter

Atlas Sound TSD-ALC2 2-Channel Audio Level Controller/Limiter

Code: TSD-ALC2
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  • Threshold Level Adjustment
  • Ramp Speed Selection
  • Security Covers Included for all front panel controls
  • Stereo Auto Level Control
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RRP: £299.00 (inc. VAT)
Save: 25%
Your Price: £224.00 (inc. VAT)
Item in Stock  |  Usually dispatched within 24 hours
  • Delivery Information
  • Standard Delivery - (FREE UK Delivery)
  • Express Delivery Available
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The TSD-ALC2 is an in-line sound attenuator/limiter, which will regulate the output of an audio signal and restrict the max volume to a pre-determined setting.

This is great in a home environment, on a TV for example, as it will ensure there are no loud spikes in volume such as the transition from a film to TV commercial - it will keep the same volume throughout.

In a commercial environment, this is a great way to ensure a consistent volume on music playback, from a phone or tablet for example where some songs may be louder than others. It will also ensure certain noise regulations are met by not allowing the audio to reach above a certain level.

The TSD-ACL2 is easy to install and consists of a phono line in and phono line out. Simply place this device between your audio source and music system (amp, speakers etc), and select your desired settings on the unit.

The TSD-ALC2 also features a 'ramp' which will reduce the volume over time ensuring there are no sudden volume drops. This will result in a much more pleasant experience, and can be set to a fast or slow ramp depending on the situation. 

For added security, there is a cover for the front panel controls included which will stop anybody from adjusting the controls - great for venues with a lot of staff, or anywhere where the TSD-ALC2 is accessible by a lot of people.


Key Features

  • Stereo Auto Level Control
  • Unbalanced RCA Input/Output
  • Threshold Level Adjustment
  • Ramp Speed Selection
  • Output Gain Control
  • Security Covers Included for all front panel controls
  • Meets most energy standards
  • Compact chassis design
  • Audio Applications: Satellite feeds, iPod®/MP3 Players, CD Players

Chassis material: Aluminum

Input/Output type: 2, unbalanced

Input/Output connection: RCA Left and Right

Input Impedance: 10kΩ

Output impedance: 150Ω unbalanced

Output level: Adjustable from 0v ~ 1.5v, Hard Limit

Input Signal: Green, 25mv on Threshold

Input Peak: Red, -3dB before clip

ALC Active: Yellow, onset of Input Level Reduction, 25mv Threshold

Power: Blue

Frequency Response: 20Hz~20kHz (±1dB)

Auto Level Threshold Range: 25mv~3v

THD: 0.5% and 1kHz

Signal to Noise: 80dBv

Output Level Limiter Range: 0~1.5v

Sample Rate: 42 per adjustment

Level Adjustment Increment: 1dB or 2dB selectable (delay time: 20ms between adjustment)

Voltage: 24v DC

Power Consumption: 60mA, 1.4W

Dimensions: 39(H) x 101(W) x 70(D) mm

Weight (Net): 0.17kg

Weight (Gross): 0.25kg

Atlas Sound TSD-ALC2 2-Channel Audio Level Controller/Limiter

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Digital Downloads (buying software)

All software marked as "serial download" or "digital download" will be delivered via email within normal office hours.

Simply add the software to the basket and at the delivery stage in the checkout please select "Digital Download - Software by email" as your delivery method

Delivery Charges (Main Products)

All orders over £39.00 will be delivered free via our standard delivery 2-3 days (UK Mainland)

If you need your item faster we also offer a Priority Tracked service at £3.99 (1-2 days) or Next Day Tracked £6.99

(please ensure you add a mobile number to your order for tracking)

Saturday delivery is available when ordered before 2pm (Mon-Fri)

All orders below £39.00 will start as low as £2.99 depending upon weight and qty(s) (UK Mainland) 

All Delivery options will be available at the delivery stage in the checkout

EU Delivery Times

Non UK Mainland Addresses please allow 1-3 Days
Delivery To Belgium / France / Germany please allow 3-4 Days
Music PC Systems - Please allow 5-7 Working Days build time (UK) 7-14 (Rest of the World)

French - Pour la Livraison s'il vous plaît permet en France 2-4 Jours
German - Für Lieferung Nach Deutschland erlaubt bitte 2-4 Tage

Delivery Notes
On delivery you must inspect the goods carefully for damage as Inta Audio is unable to accept responsibility for damage in transit, shortage of delivery or loss of products unless the customer advises Inta Audio of such within three working days from the date of delivery.


Returns Policy

We ask that you follow these guidelines to help us process your return as quickly and efficiently as possible:

1. Please keep your order reference to hand. This confirms your original order and gives us the necessary details to authorise the product’s return.

2. Contact our Customer Services Team on 02476 369898 (or e-mail We will then send you an RMA number and returns form which needs to be completed and sent back with the returned item(s).

3. (If the order has been unpacked) re-package it to ensure that it is being returned in its original condition. Please make sure all items relating to the product are returned, including manuals and cables.

4. When returning an item please obtain a ‘proof of postage’ receipt from the Courier.

Returned items must be mailed within 10 days of when the RMA Number has been issued. Items received with a post date 30 days after your requested return will NOT be eligible for refund.

Please note: Our returns policy is quite straightforward but there are a number of conditions that we ask our customers to comply with before applying:

1. It is your responsibility to request a return. If you don’t tell us you want to make a return, we don’t know. Once you do tell us, we will do everything we can to action it.

2. If you have not requested a return within 28 days of receiving an order, we will have assumed that you are intending to keep it and we will not authorise a return.

3. We always refund the payment according to how the original purchase was made and aim to do so within 72hrs of the return being received by us.

4. Returned goods are liable for a restocking fee of 15% towards handling and repackaging if the order is not returned in its original, unopened packaging. This charge will be subject to our inspection of the returned goods.

5. Delivery charges will not be refunded unless the delivered goods are faulty.

6. Replacement products are dispatched immediately after the returned goods have been received and accepted by Inta Audio.

7. Items that develop a fault within 30 days of delivery are eligible for a replacement or a refund. Delivery costs are also reimbursed for faulty items. Please contact our Customer Services Team on 02476 369898 if you believe your item has developed a fault.

Finally, please remember that notifying us of your intention to apply for a return, saving the delivery paperwork and keeping the order in its original packaging will help both you and Inta Audio to process the return quickly.

If you have any questions about our Returns policy please telephone us on 02476 369898 or email us at