TOPPING E50II/SV DAC

• High-resolution DAC for desktop Hi-Fi enthusiasts
• Features AK4497S chip for delicate, natural sound
• App control with advanced PEQ equalizer tuning
• Supports LDAC Bluetooth for high-quality wireless audio
• Ultra-low jitter circuit for pure, stable audio

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NT$5,900

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TOPPING E50II｜High-Resolution DAC with AK4497S Chip

A Precise Digital-to-Analog Converter Built for Desktop Hi-Fi Systems

The TOPPING E50II is a high-resolution Digital-to-Analog Converter (DAC) launched by TOPPING, featuring AKM's flagship AK4497S VELVET SOUND™ decoding chip. Through the XMOS XU316 USB processor, it supports native audio specifications up to 32-bit/768kHz PCM and DSD512. Its built-in 10-band PEQ parametric equalizer function can be finely tuned via a dedicated App, combined with Bluetooth LDAC wireless transmission capability, providing ultimate sound quality and flexible control for your audio system.

Compared to typical built-in sound cards or previous generation products, the E50II utilizes an ultra-low jitter processing circuit with FPGA + PLL TopSync, combined with JitterNull technology. This effectively suppresses jitter during digital signal transmission, significantly enhancing audio stability and purity, resulting in clearer and more accurate sound reproduction.

Quick Facts

Brand: TOPPING
Model: E50II
DAC Chip: AKM AK4497S
USB Input Specification: PCM 32-bit/768kHz, DSD512 (Native)
Wireless Transmission: Bluetooth (supports LDAC / aptX Adaptive & HD)
Key Features: 10-band PEQ Equalizer, TOPPING Home App Remote Control
Applicable Scenarios: Desktop Hi-Fi Systems, Active Speaker Preamplifier, High-End Headphone Systems, PC/Mac Audio Upgrade, Digital Source Decoding

使用者建議分析(點此展開)

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適合誰購買

Desktop Hi-Fi enthusiasts seeking ultimate audio detail, who need a high-spec, low-distortion DAC.
Music professionals using active studio monitors, who wish to perform initial room acoustic correction via PEQ.
Users with both wired (PC/Mac) and wireless (phone/tablet) sources, who need a device that can easily switch and supports LDAC.
Digital audio enthusiasts who want to finely tune sound and output via a mobile App.

誰不適合購買

Users who only need simple USB headphone amplification and do not require a standalone DAC.
Audiophiles who already have a DAC of the same or higher caliber in their system and do not need to reinvest.
Users who exclusively use analog sources and have no need for digital-to-analog conversion.

TOPPING E50II Core Technologies and Features

Flagship AK4497S DAC Chip: Equipped with AKM VELVET SOUND™ technology's AK4497S Digital-to-Analog Converter chip, offering rich sound details, natural tonality, and highly accurate sound reproduction.
XMOS XU316 USB Processor: Utilizes the third-generation XMOS XU316 core, supporting native DSD512, DoP DSD256, and PCM audio up to 32-bit/768kHz, ensuring the highest specification digital audio playback.
Advanced 10-band PEQ Equalizer: Built-in powerful 10-band parametric equalizer, allowing for precise independent frequency, gain, and Q-value adjustments for left and right channels via the TOPPING Home App, optimizing the system to adapt to different listening environments.
FPGA + PLL Ultra-Low Jitter Circuit: Integrates FPGA and PLL with TopSync circuit, and employs JitterNull technology, effectively suppressing jitter during digital transmission, providing a cleaner and more stable digital audio signal.
High-Resolution Bluetooth Transmission: Supports multiple Bluetooth codecs including LDAC, aptX Adaptive, aptX HD, aptX, AAC, and SBC, allowing for near-lossless high-quality music enjoyment even with wireless connections.
Multi-functional Output Modes: Features two operating modes: DAC pure decoding and Pre-amp. It can connect to power amplifiers or active speakers via RCA single-ended and TRS balanced outputs, offering flexible system integration solutions.
TOPPING Home App Smart Control: Through the dedicated mobile App, all functions such as input/output switching, volume adjustment, and PEQ settings can be wirelessly controlled, providing an intuitive and convenient operating experience.

Technical Specifications (Tech Specs)

DAC Chip	AKM AK4497S
USB Input	PCM: 44.1kHz-768kHz / 16-32bit DSD (Native): DSD64-DSD512 DSD (DoP): DSD64-DSD256
Optical/Coaxial Input	PCM: 44.1kHz-192kHz / 16-24bit DSD (DoP): DSD64
Bluetooth	Supports LDAC / aptX-Adaptive / aptX HD / aptX / AAC / SBC
Analog Outputs	1 x RCA (Single-ended), 1 x TRS (Balanced)
Maximum Output Level	RCA: 2.1Vrms @0dBFS TRS: 4.2Vrms @0dBFS
Total Harmonic Distortion + Noise	RCA: <0.00008% @1kHz TRS: <0.00007% @1kHz
Signal-to-Noise Ratio	RCA: 125dB @1kHz TRS: 128dB @1kHz
Dynamic Range	RCA: 125dB @1kHz TRS: 128dB @1kHz
Frequency Response	20Hz - 40kHz (±0.2dB)
Output Impedance	RCA: 50Ω TRS: 100Ω
Power Source	DC 5V / 1A (via USB-C)
Dimensions	12.9cm x 15.3cm x 4.1cm
Color	Silver

Pros & Notes (Click to expand)

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Pros

Equipped with a flagship AK4497S DAC chip, providing excellent audio resolution and natural tonality.
Built-in powerful 10-band PEQ equalizer, allowing for precise sound customization via the App.
Supports LDAC high-resolution Bluetooth codec, enabling high-quality audio enjoyment even with wireless listening.
Features simultaneous RCA and TRS output capabilities, offering high system integration flexibility.
Adopts an ultra-low jitter circuit design, effectively ensuring the purity and stability of digital signals.

Notes to Know

This unit is a pure DAC and does not have headphone amplification capabilities; a separate headphone amplifier or power amplifier is required.
Advanced PEQ equalizer settings require operation via the TOPPING Home mobile application.
Uses DC 5V power supply; ensure a stable quality USB power source is used.

TOPPING E50II/SV DAC FAQ

Q：Can the TOPPING E50II Hi-Res Audio DAC be controlled via a mobile App?

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A：Yes. You can use the TOPPING Home app on your phone to instantly switch input sources, adjust volume, and perform advanced settings such as the 10-band PEQ equalizer.

Q：What are the main upgrades of the E50II compared to the previous generation E50?

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A：The E50II upgrades the DAC chip from ES9068AS to AKM AK4497S, and adds a 10-band PEQ equalizer function and App control, significantly improving both sound quality and functionality.

Q：Can I directly drive my headphones with the E50II?

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A：No. The E50II is a pure DAC (Digital-to-Analog Converter) and does not have headphone amplification capabilities. You need to connect its output to a separate headphone amplifier to drive headphones.

Q：Can the RCA and TRS outputs of the E50II be used simultaneously?

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A：Yes. The E50II supports simultaneous operation of RCA single-ended and TRS balanced outputs, allowing you to connect different backend devices, such as a power amplifier and a headphone amplifier.

THINK2 Warranty & Support

Service Highlights

Fast Shipping: In-stock items will be shipped within 24 business hours.
Professional Technical Support: Our certified audio engineers provide consultation for installation, licensing, compatibility, and setup.
Comprehensive Warranty & After-Sales Service: Includes both manufacturer warranty and THINK2 customer support.

※ Shipping times are calculated based on business days. Actual warranty follows the manufacturer’s policy. THINK2 provides integration and support assistance.

Warranty & Return Policy

With valid proof of purchase and product serial number, customers are entitled to manufacturer warranty and THINK2 after-sales service.
DOA / Non-human defects: Within 7 days of purchase, after verification, customers may request return or replacement.
Exclusions: Damages from misuse, unauthorized modification, consumable parts, natural disasters, or improper use beyond instructions.
Application Process: Contact customer service during business hours for return instructions.
Service Coverage: Taiwan region primarily; overseas based on logistics standards.

THINK2 — Authorized Audio Gear Dealer in Taiwan