Topping E2x2 OTG - Audio Interface｜Dual Mic Preamps & Optical Output Expansion
The Topping E2x2 OTG is the advanced dual-channel evolution of the E1x2, designed for creators and musicians requiring more input sources. It features two Ultra-linear Microphone Preamps, perfect for recording dual-person interviews or instrument-vocal performances. Beyond powerful recording capabilities, the E2x2 distinguishes itself in its class with the addition of an Optical SPDIF Output and a 3.5mm AUX Output, maximizing connectivity flexibility.
Inheriting the audiophile DNA of the series, the E2x2 OTG is equipped with the flagship NFCA-LE Headphone Amplifier Module, delivering a staggering 580mW (32Ω) of power and an ultra-low noise floor of 1uVrms. Combined with an independent power switch and OTG dual-device connectivity, it delivers impeccable sound quality whether used as a desktop DAC/Amp or a professional mobile streaming interface.
Core Features & Applications
Dual Ultra-linear Preamps
Provides two Combo input interfaces supporting microphone, instrument, and line signals. With an Ultra-low Equivalent Input Noise (EIN) of -130.5dBu and 58dB of analog gain, it precisely captures rich details from dual-person talks or stereo instruments.
Professional Output Expansion
In addition to standard TRS balanced outputs, the new Optical SPDIF Output allows digital signal transmission to other DACs; the extra 3.5mm AUX Output facilitates connection to consumer speakers or streaming phones, broadening usage scenarios.
NFCA-LE High Impedance Drive
Designed for high-end monitoring, the built-in NFCA-LE module effortlessly drives headphones up to 600Ω (55mW output) with extremely low distortion (THD+N < 0.001%), making it an excellent tool for mixing and music appreciation.
Tech Specs
-
Mic Inputs:
EIN: -130.5dBu @ 150Ω
THD+N: 0.0003%
Gain Range: 58dB (Analog) + 20dB (Digital)
Input Impedance: 1.5kΩ -
Instrument Inputs:
Input Impedance: 1MΩ
THD+N: 0.0004% -
Headphone Output:
Output Power: 580mW x 2 @32Ω | 380mW x 2 @64Ω
High Impedance Power: 105mW x 2 @300Ω | 55mW x 2 @600Ω
Noise: 1 uVrms
Output Impedance: 1Ω -
Line Outputs:
Dynamic Range: 115dB (Analog Dynamic Range 127dB)
Max Output Level: 14dBu -
AUX Output (3.5mm):
Max Output Level: 8dBu
Output Impedance: 50Ω -
SPDIF Optical Output:
Supported Sample Rate: 44.1kHz - 192kHz (24bits)
THD+N: -144dB (0.000006%) - Physical Specs: 18.7cm x 12.9cm x 5.0cm | Weight 530g
THINK2 Warranty & Support
- 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 basic setup.
- Comprehensive Warranty & After-Sales Service: Includes both manufacturer warranty and THINK2 customer support.
※ Shipping times are calculated based on business days. Delays may occur during holidays or force majeure events. Actual warranty terms follow the manufacturer’s official policy, while THINK2 provides integration and support assistance.
THINK2 Warranty & Return Policy
- With valid proof of purchase and product serial number, customers are entitled to the manufacturer’s warranty and THINK2 after-sales service.
- DOA / Non-human defects: Within 7 days from the purchase date, after verification, customers may request a return or replacement.
- Exclusions: Damages caused by misuse, unauthorized disassembly or modification, consumable parts, natural disasters/force majeure, or improper use beyond specifications and instructions.
- Application Process: Contact customer service during business hours and follow the provided packaging and return instructions.
- Service Coverage: Taiwan region as primary service area; lead time and costs for offshore/overseas service depend on actual logistics standards.
