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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
ESX QL810SP - Quantum 10 Channel DSPSpecifications Digital 10 Channel Sound Processor 8 x RCA Input, balanced 8 x High Level Input with EPS PRO up to 40 V RMS (via Molex ) 1 x Optical Stereo Input, S PDIF 192 kHz, 24 bit 1 x Coaxial Stereo Input, S PDIF 192 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 10 x RCA Output @ 6 V RMS (THD+N <0. 0004%) Dimensions 226 x 43 x 120 mm Features Analog Devices
Specifications
- Digital 10-Channel Sound Processor
- 8 x RCA Input, balanced
- 8 x High Level Input with EPS PRO up to 40 V/RMS (via Molex )
- 1 x Optical Stereo Input, S/PDIF 192 kHz, 24 bit
- 1 x Coaxial Stereo Input, S/PDIF 192 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
- 10 x RCA Output @ 6 V RMS (THD+N <0.0004%)
- Dimensions 226 x 43 x 120 mm
Features
- Analog Devices™ ADAU1452 Dual 2 x 32 Bit Processor, 294 MHz, Full HD Audio 96 kHz
- AKM Velvet Sound™ Series 5 Signal Converter, A/D 32 Bit, D/A 32 Bit
- HPF/LPF/BP @ 6-48 dB, Phase Shift, Time Correction 0 ~ 20 ms/0.01 ms steps
- Input Mixer, Subwoofer Control, Priority Input Mode for digital Sources
- Input Sensitivity: Low Level 1 ~ 6 V/RMS, High Level 1 ~ 15 or 15 ~ 45 V/RMS
- Signal-to-noise Ratio (A-weighted): ignal-to-noise Ratio (A-weighted) 111 dB, Digital Input 117 dB
- Total Harmonic Distortion: ignal-to-noise Ratio (A-weighted) <0,001%, Digital Input <0,0004%
-
Integrated Bluetooth® Receiver (incl. Antenna) for DSP control via App and Fully HD Audio Streaming
Bluetooth-Version 5.0, Profiles: A2DP/AVRCP, Codecs: aptX, aptx LL, aptX HD, AAC, SBC - REM OUT function for external devices, MODE switching input for e.g. convertible tops (Preset Auto Switch)
- Optional Accessories: RC-DQ (LCD Remote Controller)
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.0 ★★★★★
Based on 1441 reviews
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Product Reviews
★★★★★ 5
Great printer...I thought
Style: WF-4820, Set: 1. SINGLE TRAY (250 sheets)/FAX/ADF/PRINT/COPY/SCAN
This unit has really great reviews and many from small biz owners who say it works great and lasts. I've had it for a month and I'm really happy with it. It's much better than my last one. If it lasts as so many other reviews say, it's a great purchase.
**UPDATE**
Loved this printer. Only used it a few times. On the 3rd month, I pushed the button to turn on the printer and there was no response at all. I tried everything. Checked all connections and the outlets. It would not turn on at all. I was out of the return window with Amazon, so I called Epson. They told me they are sending a unit to me and to return mine with the box and label in the shipment. But they said they are NOT SENDING A NEW UNIT, BUT A REFURBISHED UNIT! I am not at all happy about this! I purchased a new printer, not a refurbished printer, and I want a new one! So, I'm really unhappy with Epson right now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 6, 2025
★★★★★ 1
Not a good choice.
Style: WF-4820, Set: 1. SINGLE TRAY (250 sheets)/FAX/ADF/PRINT/COPY/SCAN
I recently purchased this printer with high hopes of a reliable and efficient printing solution. Unfortunately, my experience with this printer has been nothing short of a nightmare.
Connectivity Woes:
The most glaring issue is its abysmal Wi-Fi connectivity. Despite being placed right next to the router, the printer consistently displays a "Poor Wi-Fi Connection" message. This is in stark contrast to all other devices in my home, which work seamlessly with the Wi-Fi network. Even my old laser printer, which is placed close to the same location, functions without any connectivity hiccups. It's baffling how a modern printer can struggle so much to maintain a stable Wi-Fi connection.
Scanning Nightmares:
The scanning functionality of this printer is equally disappointing. The user interface is far from user-friendly, making it a daunting task to set up scanning to email or computer directly from the printer. This is a basic feature that should be intuitive and hassle-free, but instead, it's a convoluted process that requires unnecessary effort and time.
Ineffective Customer Service:
I reached out to customer service in hopes of resolving these issues. While they guided me through a reset process, the solutions they provided were only temporary fixes. The problems resurfaced shortly after, leaving me back at square one. It's frustrating to invest in a product only to find that the customer service solutions are inadequate and short-lived.
Comparative Performance:
What's more perplexing is that my older laser printer, which is from a different brand, continues to perform flawlessly in terms of connectivity and scanning capabilities. This stark contrast highlights the subpar quality of the Epson.
Final Verdict:
I'm deeply disappointed with this printer and regret this purchase immensely. Its inability to maintain a stable Wi-Fi connection, along with the cumbersome scanning setup and unsatisfactory customer service experience, make this printer a headache rather than a helpful device. I strongly advise against considering this printer if you value reliable performance and user-friendly features. Save yourself the frustration and explore more dependable options on the market.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2023
★★★★★ 5
Easy set up on USB cable. Works as expected on my Windows 11 computer
Style: WF-4820, Set: 1. SINGLE TRAY (250 sheets)/FAX/ADF/PRINT/COPY/SCAN
I got this Epson All-In-One printer for my work. I had been using HP printers for years. I started having problems with paper handling on them. Things like getting a paper jam error when there was not paper jammed in it. I decided to try an Epson for a change. I have had the printer now for three weeks. So far it has worked great. Easy to set up on my Windws 11 computer. Works great for printing and for scanning. I have it set up by USB cable because I don't have reliable wireless internet in that part of the building. No issues with the USB configuration. Ink usage seems good so far. Ink on any printer is expensive, but that was expected. I would recommend this printer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 4
Much harder to install than expected - especially if you have a comma in your Wifi password
Style: WF-4820, Set: 1. SINGLE TRAY (250 sheets)/FAX/ADF/PRINT/COPY/SCAN
I found this printer surprisingly hard to install. First, I used the software on the DVD that came with the system. That caused my computer to crash and reboot! After it rebooted, I downloaded the (presumably newer) combo installer from the Epson web site. That ran, but when it came time to connect the printer to the wifi network, I found that there is no way in the Epson network configuration wizard to use a comma in the wifi password. There is a period and many other symbols, but I didn't see a comma. But our system admin used a comma in our wifi password, so I couldn't connect the printer to the wireless network. I had to dig up a LAN cable and plug the printer into a network switch, restart the installation and configure the printer for a LAN connection. That seemed to work, at least according to the installer, but when I tried to print a test page there was a print connection failure. After running the "Epson Printer Connection Checker", it found a printer port error and tried to fix it, but was unable to. So, I removed the printer entirely from the computer using Windows device management and had Windows try to detect the printer. That finally worked, although now the Fax device is missing. But at least now I can print, and the print quality looks good. But I'm still frustrated by the inability to connect to the wifi.
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Reviewed in the United States on April 10, 2023
★★★★★ 5
Great printer
Style: WF-4820, Set: 1. SINGLE TRAY (250 sheets)/FAX/ADF/PRINT/COPY/SCAN
This printer is compatible with my Apple Mi 4 desktop and my Apple Laptop.
I didn’t have a dvd player, so I went to the required Epsom website, and downloaded the software. No issues. All of the bells and whistles on the printer works flawless. Follow the directions and enjoy the results .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
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