Is the usb input a usb-a? what version of usb (3.2 gen 2, 3.1) is the usb input?

Hello, The USB input of TOPPING E50 is a type B interface, please use 2.0 data cable.

what's the size of the rca balance cable is it 1/4 or what kind of rca balance cable do i buy?

The outputs are either unbalanced (RCA) or balanced using an1/4” plug known as a TRS (tip, ring, sleeve). Also commonly known as a “stereo” 1/4 inch plug. You would use this if the amplifier you are using has a balanced input. If not, then use the RCA jack output with an RCA plug on both ends of the cable. You can also make your own cables, just make sure it’s wired correctly for the balanced outputs. Just keep in mind, rca plugs or cables are NOT balanced.

How do i get my pc to display the 768khz... only seeing up 300ish khz (currently at work and forgot actual bitrate)?

You can go to Sound Control driver properties and select the output. I think it’s maxed at the connected DACs max or the USB max but I’m not certain of that.

Which has better audio quality and performance the E50 or the E30ii

The E50 is superior in my opinion.

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TOPPING L50

Product ID: 382492718

Details

Brand
KGUSS
Interface Type
Coaxial RCA
Maximum Supply Voltage
5.6 volts
Mounting Type
Wall Mount
Number of Pins
6

🎧AK4497S DAC with 131dB DNR & 0.0001% THD+N

📱App control via TOPPING Home for seamless tuning

🔗Dual optical input (S/PDIF & ADAT) up to 192kHz

11352750₫

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Description

🎶 Elevate Every Note — The Mini DAC That Commands Your Sound Universe

NEXT LEVEL JITTER REDUCTION - TopSync circuit with FPGA+PLL and JitterNull tech ensures crystal-clear digital audio free from timing errors.
VERSATILE DUAL OPTICAL INPUTS - Seamlessly switch between S/PDIF and ADAT formats, supporting professional-grade 44.1kHz to 192kHz sampling rates.
FLAGSHIP AK 4497 S DAC POWERHOUSE - Experience ultra-pure, layered sound with industry-leading 131dB dynamic range and near-zero distortion.
SMARTPHONE CONTROLLED AUDIO MASTERY - Take command of your soundscape with the intuitive TOPPING Home app—adjust EQ, switch inputs, and control volume effortlessly.
AUDIOPHILE GRADE OUTPUTS WIRELESS LDAC - Selectable voltage outputs with RCA/TRS, plus high-res LDAC Bluetooth for premium wired or wireless listening.

The Topping E50 II Mini HiFi DAC combines the premium AK4497S DAC chip with the flagship XMOS XU316 platform to deliver pristine audio up to DSD512 and PCM 768kHz. Featuring advanced jitter reduction, dual-format optical inputs, and full app control, it offers versatile connectivity including USB-C, coaxial, optical, RCA, TRS, and LDAC Bluetooth. Designed for audiophiles and professionals alike, it functions as both a DAC and preamp with selectable output voltages, making it the ultimate compact solution for home theater, gaming, and music enthusiasts seeking flawless sound quality.

Specifications

ASIN	B0G5FZ1MBF
Audio Output Mode	Stereo
Best Sellers Rank	#71,955 in Electronics ( See Top 100 in Electronics ) #148 in Digital-Analog Converters #217 in Signal Converters
Brand	KGUSS
Brand Name	KGUSS
Compatible Devices	Smartphone, Tablet, Computer, Laptop, Home Theater System, Audio Receiver, PC, Mac
Customer Reviews	4.9 out of 5 stars 13 Reviews
Included Components	E50II
Interface	Coaxial, Optical, RCA, TRS, USB
Interface Type	Coaxial, Optical, RCA, TRS, USB
Manufacturer	TOPPING
Maximum Supply Voltage	5.6 volts
Model	E50 II
Mounting Type	Wall Mount
Number of Channels	2
Number of Items	1
Number of Pins	6
Part Number	E50II

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11352750₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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