Topping E2x2 OTG

Q: What is the difference between Topping E2x2 OTG and the standard E2x2?

The main difference is that the E2x2 OTG version adds a dedicated OTG port for connecting to mobile phones and an optical digital output, making it more suitable for users who need to record on a computer and live stream with a mobile phone simultaneously.

Q: Is the headphone output power of the E2x2 OTG really better than other audio interfaces?

Yes. Its built-in NFCA-LE headphone amplifier module is derived from Topping's Hi-Fi headphone amplifier technology, providing a powerful 580mW x 2 output, which can easily drive most high-impedance professional monitoring headphones on the market.

Q: Is the E2x2 OTG suitable for guitar or bass recording?

Yes. The E2x2 OTG's Combo Jack input supports Line/Instrument level switching, allowing direct connection of high-impedance electric guitars or basses for recording without an additional DI Box.

Q: I'm a streamer, is the Topping E2x2 OTG worth buying?

Absolutely. If you need to play background music on your computer and simultaneously stream high-quality content with your mobile phone, the E2x2 OTG's dual-device connectivity will greatly simplify your setup and significantly enhance audio quality.

Topping E2x2 OTG

• Hi-Fi audio interface for streamers & creators
• Supports simultaneous PC & mobile streaming
• Hi-Fi headphone amp easily drives high-impedance headphones
• Ultra-low noise mic preamp for pristine audio
• Zero-latency monitoring for lag-free recording & streaming

NT$7,300

{{ title.name_translations | translateModel }} : {{variationName[$index] | translateModel}}

Quantity

Add to Wishlist

products.quantity_limit99999

This quantity is invalid, please enter a valid quantity.

SOLD OUT

Please message the shop owner for order details.

Add to Wishlist

Topping E2x2 OTG｜Hi-Fi Grade USB Audio Interface Supporting Dual-Device Live Streaming

Designed for Mobile Live Streaming and Dual-Device Streaming, a Hi-Fi Heritage Recording Core

The Topping E2x2 OTG is a dual-channel USB audio interface designed for modern creators. It not only inherits Topping's self-developed ultra-linear Mic Preamps and NFCA-LE headphone amplifier module but also incorporates innovative OTG functionality and optical digital output, supporting recording resolutions up to 24-bit/192kHz. It perfectly combines Topping's cutting-edge Hi-Fi audio technology with the convenience of mobile live streaming, providing music producers, streamers, and podcast creators with unprecedented pure sound quality and connection flexibility.

Compared to traditional audio interfaces, the Topping E2x2 OTG achieves simultaneous high-quality live streaming between computers and mobile phones through its dedicated OTG port and built-in LoopBack function, completely simplifying complex setups for cross-platform content creation. Its core remains Hi-Fi grade hardware specifications, ensuring zero-latency monitoring and uncolored, reference-grade audio quality for both recording and streaming.

Quick Facts

Brand: Topping
Model: E2x2 OTG
Simultaneous I/O: 2 x 2
A/D Resolution: 24-bit / 192kHz
Digital Outputs: 1 x Optical (S/PDIF)
Mic Preamps: 1 Ultra-Linear Preamp (-130.5dBu EIN)
Headphone Output Power: 580mW x 2 @ 32Ω
Applicable Scenarios: Mobile live streaming, dual-device streaming, home recording, podcast recording, guitar/bass recording

使用者建議分析(點此展開)

▼

適合誰購買

Content creators who need to connect both a computer and a mobile phone for live streaming or recording simultaneously.
Hi-Fi audio enthusiasts with extremely high demands for sound quality, hoping to bring audiophile-grade sound into recording and live streaming.
Music producers who need powerful headphone drive to power high-impedance monitoring headphones (e.g., DT770 Pro).
Podcast or voiceover creators seeking extremely low self-noise and pure, transparent sound.

誰不適合購買

Bands or drummers who need more than two inputs/outputs for multi-track simultaneous recording.
Users seeking a large ecosystem of built-in DSP effects and software plugins (this unit focuses on pure hardware performance).
Users with absolutely no need for mobile live streaming or connecting external digital devices (the standard E2x2 can be chosen).

Topping E2x2 OTG Core Technologies and Features

Dual-Device OTG Live Streaming: Equipped with OTG functionality designed for mobile devices, it can connect both a computer and a mobile phone simultaneously, enabling high-quality synchronized live streaming and recording, making it a powerful tool for modern content creators.
Optical S/PDIF Digital Output: An additional optical digital output is provided, supporting 44.1kHz to 192kHz/24bit specifications, allowing connection to other digital devices with optical input to expand system connectivity.
Ultra-Linear Mic Preamps: Equipped with Topping's self-developed preamp amplification circuit, it offers an astonishing -130.5dBu EIN noise level, ensuring ultimate purity of the audio source, capturing the most subtle dynamics for both vocals and instruments.
NFCA-LE High-Performance Headphone Amplifier: Built-in NFCA-LE headphone amplifier module derived from the Hi-Fi domain, featuring ultra-low self-noise of just 0.9uVrms and 1 Ohm output impedance, capable of outputting a powerful 580mW x 2 (@32Ω), easily driving 600Ω high-impedance professional monitoring headphones.
LNRD Low Noise Power Module: Adopts Topping's exclusive LNRD (Low Noise Reference Driver) module, providing reference-grade stable and pure power to the AD/DA chips, fully unleashing the chip's performance potential and ensuring the accuracy of audio conversion.
Zero-Latency Hardware Monitoring and Mixing: Built-in powerful hardware DSP mixer, including four 8-track input mixers, 6 DAW channels, and 4 LoopBack virtual channels, allowing for zero-latency real-time monitoring and precise volume control during recording or live streaming.
Analog Volume Control: Both Line Out and headphone output use analog potentiometers for volume control, providing a more precise and smooth adjustment feel compared to digital volume control, and fully preserving a dynamic range of up to 132dB.

Ultra-Linear Mic Preamp

Designed for pure audio amplification, offering -130.5dBu EIN industry-leading ultra-low noise performance.
Provides +48V Phantom Power, perfectly supporting Condenser microphones and traditional Dynamic microphones.
Extremely low Total Harmonic Distortion (THD+N <0.0003%), ensuring uncolored and faithful reproduction of audio signals.

NFCA-LE High-Performance Headphone Amplifier

Output power up to 580mW x 2 @ 32Ω, providing powerful drive.
Features two-stage Gain adjustment, with a maximum output of +17dBu, easily meeting the needs of various headphones on the market, from high-sensitivity IEMs to high-impedance monitoring headphones.
Self-noise floor of only 0.9uVrms, ensuring no hiss is heard even with high-sensitivity headphones.

Zero-Latency Hardware Monitoring and Mixing Control

Built-in DSP provides true hardware real-time monitoring, with no annoying latency during recording.
Provides independent mixing control software for precise adjustment of volume balance across input, DAW, and LoopBack channels.
The LoopBack function can mix internal computer audio with microphone sound, making it ideal for live streaming, online teaching, and gaming.

Triple USB-C Port Design (Including OTG)

PC/Data Port: Used to connect to a computer for data transfer and primary power supply.
OTG Port: Designed specifically for connecting mobile devices such as smartphones or tablets, enabling dual-device synchronized streaming.
Power Port: An independent auxiliary power supply port, ensuring stable and pure power for the system when using 48V Phantom Power or connecting power-hungry mobile devices.

Technical Specifications (Tech Specs)

Form Factor	Desktop
Simultaneous I/O	2 Inputs / 2 Outputs
A/D Resolution	Up to 24-bit / 192kHz
Mic Preamps	1 Topping Ultra-Linear Preamp
Phantom Power	+48V
Analog Inputs	1 x XLR/TRS Combo (Mic/Instrument/Line)
Analog Outputs	2 x 1/4" TRS (L/R)
Digital Outputs	1 x Optical (S/PDIF)
Headphone Output	1 x 1/4" TRS
Computer Connection	USB-C
USB Port	3 x USB-C (1 x Data, 1 x OTG, 1 x Power)
Dynamic Range	ADC: 118dB, DAC: 115dB, Line Out: 127dB, Headphone: 132dB
Self-noise (EIN)	-130.5dBu
Headphone Output Power	580mW x 2 @ 32Ω
Operating System (PC)	Windows 10 or newer (driver installation required)
Operating System (Mac)	macOS 10.15 or newer (no driver required)
Mobile App Compatibility	iOS, Android (Plug-and-Play)
Power Source	USB Bus Powered / Auxiliary USB-C Power

Pros & Notes (Click to expand)

▼

Pros

Optimized for mobile live streaming, capable of simultaneous computer and mobile phone streaming, simplifying workflow.
Added optical digital output and OTG port, significantly enhancing connection flexibility.
Inherits Hi-Fi grade ultra-low self-noise Mic Preamps, delivering pure and transparent sound quality.
Built-in NFCA-LE headphone amplifier module, providing powerful drive, easily powering high-impedance headphones.
Hardware zero-latency monitoring and LoopBack function for a smooth recording and live streaming experience.

Notes to Know

Only one microphone input, not suitable for multi-track instrument simultaneous recording.
Focuses on hardware audio quality, does not include a large number of software effects or sound sources.
When using OTG functionality or 48V Phantom Power, it is recommended to connect an auxiliary power source to ensure stability.

Topping E2x2 OTG FAQ

Q：What is the difference between Topping E2x2 OTG and the standard E2x2?

▼

A：The main difference is that the E2x2 OTG version adds a dedicated OTG port for connecting to mobile phones and an optical digital output, making it more suitable for users who need to record on a computer and live stream with a mobile phone simultaneously.

Q：Is the headphone output power of the E2x2 OTG really better than other audio interfaces?

▼

A：Yes. Its built-in NFCA-LE headphone amplifier module is derived from Topping's Hi-Fi headphone amplifier technology, providing a powerful 580mW x 2 output, which can easily drive most high-impedance professional monitoring headphones on the market.

Q：Is the E2x2 OTG suitable for guitar or bass recording?

▼

A：Yes. The E2x2 OTG's Combo Jack input supports Line/Instrument level switching, allowing direct connection of high-impedance electric guitars or basses for recording without an additional DI Box.

Q：I'm a streamer, is the Topping E2x2 OTG worth buying?

▼

A：Absolutely. If you need to play background music on your computer and simultaneously stream high-quality content with your mobile phone, the E2x2 OTG's dual-device connectivity will greatly simplify your setup and significantly enhance audio quality.

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