SKU: 73405363301

QL812SP

Sale price$521.10 Regular price$579.00
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Description

QL812SPWith the two processors QUANTUM QL , ESX shows what real high end DSPs can do. Even the equipped components are the finest: not only that audiophile 32 bit converters from AKM's 5 series were installed, two of the ADAU1452 and thus the best processors from Analog Devices are used. This is exactly where the wheat is separated from the chaff: Conventional DSPs usually only have one DSP core. However, if a DSP has many channels and the corresponding

With the two processors QUANTUM QL , ESX shows what real high-end DSPs can do. Even the equipped components are the finest: not only that audiophile 32-bit converters from AKM's 5-series were installed, two of the ADAU1452 and thus the best processors from Analog Devices are used. This is exactly where the wheat is separated from the chaff: Conventional DSPs usually only have one DSP core. However, if a DSP has many channels and the corresponding equipment, computing power becomes scarce. Not so with the new ESX top models, on the contrary. The two QL-DSPs have so much reserve that they can easily process not only 12 channels, but the developers also implemented the revolutionary ESX Expert Staging Equalizer with balance and level function, which enables further refinements in fine tuning, in addition to numerous functions. Thanks to the integrated Bluetooth receiver, the app version of the ESX DSP Toolkit can be used live and in real time from your smartphone - including HD audio streamingThe RC-DQ LCD remote control, which is available as an accessory, offers additional ease of use. A powerful ARM Cortex ® M4 High Performance CPU with 240 MHz and internal 1024 kB flash memory takes care of command processing. This is the only way to work in real time with maximum performance. With the new QL812SP, ESX is now also cementing its high standards in the area of high-end DSPs: In the test review in the specialist magazine Car & Hifi 3/2022, the QL812SP was so convincing that the test editors not only classified it as a highlight, but also immediately as the best DSP "below 2000 Euros". This is outstanding insofar as it is only available for 1000 euros. Test conclusion: „With the QL812SP, ESX has made a big splash. It leads the way with its finest hardware and the new software is a big step forward with powerful audio capabilities. If you add the generous equipment including Bluetooth and APP, the QL812SP for sound freaks is the most attractive DSP on the market below 2000 Euros.“ (Elmar Michels, Test Editor) Important note: To run the ESX DSP Toolkit app on an Android smartphone, Bluetooth and GPS must be activated.

Digital 12-Channel Sound Processor 8 x RCA Input, balanced 8 x High Level Input with EPS ® PRO up to 40 V/RMS (via Cable Connector) 1 x Optical Stereo Input, S/PDIF 96 kHz, 24 bit 1 x Coaxial Stereo Input, S/PDIF 96 kHz, 24 bit 1 x Bluetooth ® Stereo Input via Audio Streaming 1 x USB Type B Socket for PC Software 1 x RJ45 Input for Remote Controller 12 x RCA Output @ 6 V RMS (THD+N <0.0004%) Dimensions 226 x 43 x 120 mm

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73405363301

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4.9 ★★★★★
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wmartinez0776
Port Orchard, US
★★★★★ 5
Good product
Good product
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Reviewed in the United States on May 3, 2026
M
Verified Purchase
Mrsbanks2014
Charlottesville, US
★★★★★ 5
Functional and easy to use
Size: 6.5 Ft, Color: Black
Great product and the perfect value. It does exactly what I needed it to.
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Reviewed in the United States on February 19, 2026
B
Verified Purchase
Brittany
Pawtucket, US
★★★★★ 5
Are you tired of moving furniture around to find a plug?
Size: 6.5 Ft, Color: Black
I hate moving my room around to find an open outlet, I needed something that had a surge protector because of my gaming computer and I also have a lot of stuff that needs plugged in. This has a lot of plugs, I love that they are spaced out and have the USC and USB at the top. The cord is pretty long so it reaches a good length. It tells you if its not protected by how it lights up when you turn it on. I highly recommend and I would buy this again if I needed another one.
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Reviewed in the United States on September 17, 2024
L
Verified Purchase
Levi
Port Orchard, US
★★★★★ 5
Thin, durable, good plug orientation
Size: 6.5 Ft, Color: Black
This has been great for behind our entertainment center. We have a lot to plug in between floor lamps, tv displays, PlayStations, and pcs. No problems so far and much better than chaining extension cords. Would buy again
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Reviewed in the United States on February 2, 2025
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Diario
Houston, US
★★★★★ 5
Formidable outlet layout with usb options.
Clever layout, good space between outlets, it feels sturdy and functional with USB outputs.
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Reviewed in the United States on December 5, 2025

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