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Questyle Sigma Bluetooth Headphone Amplifier Portable Rechargeable DAC [MFi Certified] Bluetooth 5.4 Receiver with Dual Outputs High Resolution PCM768/DSD512 USB Amps for Smartphones/PC/Laptop

Portability no longer implies a compromise in performance.

Questyle

Artigo n.º: 183227072

Questyle Sigma Bluetooth Headphone Amplifier Portable Rechargeable DAC [MFi Certified] Bluetooth 5.4 Receiver with Dual Outputs High Resolution

Artigo n.º: 183227072

STD 18394500

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from EUA}

Disponibilidade : Em estoque

Importado da loja USA

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Encomende já e receba por volta de Quarta-feira, Agosto 05

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Os nossos principais Parceiros Logísticos

Portability no longer implies a compromise in performance.

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Note: Step Down Voltage Transformer required for using electronics products of EUA store (110-120). Recommended power converters Compre Agora.

O que se Destaca

High-Resolution Audio

Supports PCM768 and DSD512, delivering exceptional audio clarity, perfect for audiophiles seeking a premium listening experience on smartphones, PCs, and laptops.

Versatile Connectivity

Equipped with dual outputs, it effortlessly connects multiple devices, allowing music lovers to enjoy their favorite tracks on various platforms without hassle.

Portable Design

Compact and lightweight, this amplifier is designed for on-the-go use, ensuring high-quality sound wherever you are, making it perfect for travel and outdoor activities.

Detalhes do produto

【Portable Size Desktop Performance】：The Sigma was primarily designed to create a Hi-Fi system for smartphones and laptops, aiming to achieve performance comparable to top-tier desktop setups, within a portable size.
【MFi Certified】: SIGMA is officially MFi certified. This certification signifies flawless support for iPhone/iPad and Mac, meeting the stringent requirements for powerconsumption and compatibility of external devices, whileeliminating risks of damage from uncertified USB accessories.
【TTA Signal Processing Architecture】:To exceed customer expectations for decoding performance, SIGMA uses the highly acclaimed AK4493 DAC from AKM and is engineered with Questyle’s TTA architecture to deliver desktop-class audio performance.
【Patented Current Mode Amplifier Fully Discrete, Fully Balanced Architecture】: SIGMA incorporates four sets of patented, fully discrete, fully balanced CMA headphone/output amplifiers.Balancing size, power consumption, and sonic performance is the core challenge in portable audio devices.Questyle’s patented Current Mode Amplifier achieves both powerful drive capability and refined sonic character within a portable size.The fully discrete CMA delivers peak power up to >5W, peak current up to 3A, enabling exceptional dynamic drive capability.
【Comprehensive Compatibility with Mobile & PC】: SIGMA supports high-speed USB connections with smartphones and PCs, as well as lossless Bluetooth audio. Output modes can be switched between headphone amplifier and line-out for professional monitors or Hi-Fi systems.It can also enhance PC audio quality in settings like live concerts.It full compatibility with iOS, HarmonyOS, and Android 5.1+.For PC, it supports Windows 10 1803+ (driverless) and macOS.
【Certified by Qualcomm Snapdragon Sound and Sony LDAC】: SIGMA incorporates Qualcomm's latest-generation Snapdragon Sound technology (Bluetooth version 5.4) and is fully certified for both Snapdragon Sound and Sony LDAC.Snapdragon Sound utilizes leading Qualcomm aptX Adaptive technology, supporting aptX HD lossless audio, delivering CD-quality 16-bit 44.1kHz lossless and 24-bit 48kHz/96kHz high-resolution audio over Bluetooth to wireless earbuds and headphones.

Interface	USB, Bluetooth
Audio Output Mode	headphone amplifier, line-out
Smart Home Compatibility	Not Smart Home Compatible
Brand Name	Questyle
Compatible Devices	Smartphones, Laptops, Desktops, Tablets, Cellphones
Manufacturer	Questyle
Part Number	Sigma
Model	Sigma
Included Components	Cable
Brand	Questyle
Interface Type	USB, Bluetooth
Item Weight	0.41 lbs (190 grams)

What's in the box

Cable

Quem Deverá Comprar?

Audiophiles
Perfect for audiophiles seeking high-resolution audio quality from multiple devices with exceptional clarity and detail.
Mobile Musicians
Ideal for musicians who need a portable solution to amplify their sound while recording or practicing on-the-go.
Tech Enthusiasts
Great for tech-savvy users looking for the latest Bluetooth technology and advanced features in portable audio gear.

Casual Listeners
Not ideal for casual listeners who do not require high-end audio features or enhancements in their listening experience.

DESCRIÇÃO DO PRODUTO

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Perguntas e Respostas dos Clientes

pergunta: What features does the Questyle Sigma Bluetooth Headphone Amplifier offer?

Resposta: The Questyle Sigma Bluetooth Headphone Amplifier features dual outputs, Bluetooth 5.4 technology, and is MFi certified, ensuring seamless connectivity with Apple devices. It supports high-resolution audio, offering audiophiles an exceptional listening experience. The amplifier is also portable and rechargeable, making it an ideal choice for on-the-go music enthusiasts. Whether you're commuting or relaxing at home, this device enhances audio quality for any setting.
pergunta: How does Bluetooth 5.4 improve my listening experience?

Resposta: Bluetooth 5.4 offers enhanced connectivity, improved range, and better audio quality compared to previous versions. This means less lag, clearer sound transmission, and the ability to connect multiple devices simultaneously. Whether you’re streaming music from your phone or using it with other Bluetooth peripherals, the amplification ensures you enjoy high-fidelity sound without interruptions, making it perfect for both casual listeners and serious audiophiles.
pergunta: Is the Questyle Sigma compatible with non-Apple devices?

Resposta: Yes, while the Questyle Sigma is MFi certified for optimal performance with Apple devices, it is compatible with a wide range of other Bluetooth-enabled products. This versatility allows users to connect the amplifier to Android devices, laptops, and more, making it a great choice for anyone looking to enhance audio quality across different platforms.
pergunta: What type of headphones are best suited for use with the Questyle Sigma?

Resposta: The Questyle Sigma is compatible with a variety of headphones, particularly those designed for high-resolution audio, such as over-ear and in-ear monitors. Headphones with an impedance matching the amplifier's output will benefit the most, allowing you to experience the full spectrum of sound quality. Whether you lean towards dynamic, bass-heavy headphones or balanced sound profiles, the Sigma amplifies your listening experience significantly.
pergunta: Can I use the Questyle Sigma for gaming?

Resposta: Absolutely! The Questyle Sigma Bluetooth Headphone Amplifier can enhance your gaming experience by providing immersive and high-quality sound. Its low-latency capabilities minimize delay between audio and visuals, giving you a competitive edge in fast-paced games. Pair it with gaming headphones, and you’ll enjoy richer audio environments, making every in-game sound more impactful and engaging.
pergunta: What are the battery life and charging specifications for the Questyle Sigma?

Resposta: The Questyle Sigma features a long-lasting rechargeable battery designed to support extended listening sessions. Although the exact duration can vary according to usage, it typically offers several hours of continuous playback. It can be conveniently charged via USB, allowing you to recharge while on the move, so you’re always ready to enjoy high-quality audio wherever you go.
pergunta: Is the Questyle Sigma suitable for professional audio production?

Resposta: Yes, the Questyle Sigma is well-suited for professional audio applications, including mixing and mastering. Its high-resolution audio capabilities and precise sound reproduction make it an excellent tool for audio engineers and music producers who need a reliable source of true-to-life sound during their work. Using it with studio reference headphones can help you achieve accurate audio edits and recordings.
pergunta: What is MFi certification and why is it important?

Resposta: MFi certification stands for 'Made for iPhone/iPod/iPad' and indicates that the Questyle Sigma has been approved by Apple to ensure compatibility with its devices. This certification guarantees reliable communication and optimal performance, making it essential for users who want a seamless experience when linking their audio devices with iOS products.
pergunta: How can I buy the Questyle Sigma Bluetooth Headphone Amplifier in São Tomé and Príncipe?

Resposta: You can purchase the Questyle Sigma Bluetooth Headphone Amplifier from Ubuy, a trusted online retailer that offers a wide range of electronics and accessories. Ubuy provides a user-friendly shopping experience and has a reliable reputation in São Tomé and Príncipe. Simply visit their website, search for the Questyle Sigma, and follow the prompt for purchase.

Questyle Amplifiers Editorial Review

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Avaliações e Classificações dos Clientes

4.6

12 classificações de clientes

5 Estrela

83%
4 Estrela

0%
3 Estrela

17%
2 Estrela

0%
1 Estrela

0%

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Platform Trust & Buyer Confidence

4.3/5 9,000 + reviews

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Mohd

Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot

Shawati

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“Accurate delivery timing given”

16 June 2026 · via Trustpilot

Youcef

Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot

Leila

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot

Kwame

Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot

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Histórico de preços do produto

Informação importante

Limitações: para produtos expedidos internacionalmente, tenha em atenção que qualquer garantia do fabricante pode não ser válida; opções de serviço do fabricante podem não estar disponíveis; manuais de produtos, instruções e avisos de segurança podem não estar nas línguas do país de destino; os produtos (e materiais que o acompanham) pode não ter sido concebido em conformidade com as normas, especificações e requisitos de rotulagem do país de destino; e os produtos podem não estar em conformidade com a voltagem e outras normas elétricas do país de destino (requerendo assim o uso de um adaptador ou conversor caso seja apropriado). O destinatário é responsável por garantir que o produto pode ser legalmente importado para o país de destino. Quando encomenda à Ubuy ou aos seus afiliados, o destinatário é o importador de registo e deve estar em conformidade com todas as leis e regulamentos do país de destino.
Nem todos os produtos listados na Ubuy estão à venda, uma vez que a Ubuy é um motor de busca global. Os produtos estão sujeitos a leis de exportação/comércio.

STD 18394500

Encomende já e receba por volta de Quarta-feira, Agosto 05

QTY:

Transação segura

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Os nossos principais Parceiros Logísticos

Entrega internacional mais rápida

Recursos e benefícios

Small yet powerful; designed for Hi-Fi audio performance.
MFi certified for flawless compatibility with Apple devices.
Features top-tier AK4493 DAC for superior sound quality.
Incorporates patented Current Mode Amplifier for refined audio.
Supports multiple devices with comprehensive connectivity options.
Certified by Qualcomm Snapdragon Sound for enhanced Bluetooth audio.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Questyle Sigma Bluetooth Headphone Amplifier Portable Rechargeable DAC [MFi Certified] Bluetooth 5.4 Receiver with Dual Outputs High Resolution

STD 18394500

Fast Shipping

Devolução gratuita*

Embalagem Segura

Produtos 100% Originais

Certificação PCI DSS

Certificação ISO 27001

O que se Destaca

Detalhes do produto

What's in the box

Quem Deverá Comprar?

DESCRIÇÃO DO PRODUTO

Perguntas e Respostas dos Clientes

Questyle Amplifiers Editorial Review

Avaliações e Classificações dos Clientes

Avaliar este produto

Platform Trust & Buyer Confidence

Histórico de preços do produto

Informação importante

STD 18394500

Recursos e benefícios

Ubuy Assurance

Fast
Shipping

Devolução
gratuita^*