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Being an audiophile means constantly searching for the perfect sound, where every nuance matters and the desire to upgrade your setup often comes with a significant price tag. If you’ve been planning to upgrade your audio system, replace your headphones, or add a high-quality DAC to your setup, now may be a good time to do it. From August 17 to 27, popular audio retailer HiFiGo is running a major sale featuring high-end equipment for audio enthusiasts at discounted prices. We’ve selected 10 of the most interesting devices, ranging from hybrid in-ear monitors to compact tube amplifiers, and included discount promo codes to make your upgrade – or your first step into the world of Hi-Fi audio – even more appealing.
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TABLE OF CONTENTS:
AFUL Performer 5+2
The AFUL Performer 5+2 in-ear monitors feature an advanced hybrid configuration that combines two dynamic drivers, four balanced armature drivers, and a micro-planar driver. This design delivers a rich, spacious, and highly detailed sound with impressive depth. At the same time, the ultra-wide frequency response of 10–35,000 Hz allows the earphones to reproduce both deep bass and clear high frequencies with a high level of accuracy and minimal distortion.
The ergonomic metal housing not only ensures durability but also provides a secure and comfortable fit during extended listening sessions. With a sensitivity of 105 dB and an impedance of 32 ohms, the earphones are easy to drive even from portable sources such as smartphones or compact DACs. The package includes a detachable 1.2-meter cable, available with either a standard 3.5 mm connector or a 4.4 mm plug, depending on the selected version. It also comes with a convenient carrying case and an extensive selection of replacement ear tips (nine pairs). With a regular price of $240, the AFUL Performer 5+2 can be purchased for 21% less using the promo code USBTSS01, bringing the price down to $189.59 (or €155).
Dunu Titan X
The DUNU Titan X in-ear monitors raise the bar for sound quality in their class with a carefully engineered acoustic architecture. They feature a dual-magnetic-circuit, dual-chamber dynamic driver with a hybrid diaphragm that combines a rigid dome with a flexible surround. This design delivers a powerful magnetic flux, a spacious three-dimensional soundstage, and a balanced response across the frequency range. The result works equally well for music and gaming, where precise sound-source localization can provide a clear advantage.
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The earphone housings are made from a metal alloy with a chrome finish, providing good scratch resistance while helping to minimize unwanted resonances for cleaner sound. The ergonomic shape was developed based on extensive anatomical research, ensuring a comfortable fit during extended listening sessions. Depending on the version, the earphones come with either a silver-plated copper cable with a 0.78 mm 2-pin connector and a 3.5 mm plug, or a Type-C version with an integrated microphone. In either case, the package includes nine pairs of silicone ear tips and a carrying case. With the promo code USBTSS02, the DUNU Titan X is available at a 20% discount for just $32 (or €28), down from the regular price of $40.
PULA Arc
The budget-friendly PULA Arc in-ear monitors combine an attractive design with a balanced sound signature. At their core is a custom 10 mm dynamic driver with an ultra-thin 6-micron diaphragm, designed to deliver high levels of detail across the frequency range. An N52 dual-magnet system paired with a high-sensitivity voice coil and a specially engineered dual-chamber acoustic system allows the earphones to deliver impressive performance even when driven by portable sources.
The housing is made from hypoallergenic resin using 3D printing and is complemented by aluminum-alloy faceplates featuring an elegant pattern. The semi-transparent design allows the internal components to be seen, while the ergonomic shape is designed to provide a secure and comfortable fit. The earphones feature a detachable cable with a standard 0.78 mm 2-pin connector, available either with a classic 3.5 mm plug or a Type-C connector with an integrated microphone. With the promo code USBTSS02, the PULA Arc can be purchased at a 20% discount for just $20.40 (or €18).
DUNU Da Vinci
The advanced DUNU DaVinci feature a sophisticated six-driver hybrid configuration in each earphone, combining two dynamic drivers (8 mm and 10 mm), each with its own independent chamber, with four custom balanced armature drivers. The internal design incorporates a five-way crossover to prevent frequency overlap, enabling precise separation across a range of 5 Hz to 40 kHz. The result is deep, detailed sound across the entire frequency spectrum with minimal distortion.
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The sleek, lightweight housing weighs just 6.6 grams and is made from hypoallergenic resin, complemented by stabilized natural-wood faceplates that give the DUNU DaVinci a premium look. With a sensitivity of 109 dB and an impedance of 35 ohms, the earphones are well matched with most portable sources. The package includes a custom four-core Leo cable made from silver-plated copper with a Litz braid, standard 0.78 mm connectors, and DUNU’s proprietary Q-Lock Mini interchangeable plug system, with both 3.5 mm and 4.4 mm plugs included. Using the promo code USBTSS01, you can save 25% on the HiFiGo DUNU x Gizaudio DaVinci, bringing the price down to $228 (or €195) from the regular $299.
AFUL Explorer
The AFUL Explorer hybrid in-ear monitors feature a 1DD+2BA configuration, combining one dynamic driver with two balanced armature drivers to deliver balanced and accurate audio reproduction. A proprietary crossover technology suppresses high-frequency resonance peaks, giving the upper register a smoother and more refined character. The acoustic design, which incorporates sound tubes and a 3D Air Pressure Balance system, effectively reduces pressure on the ear canal while maintaining deep, well-defined bass with a frequency response ranging from 10 to 30,000 Hz.
Each earphone weighs just 4.43 grams and is made from hypoallergenic medical-grade resin, providing a high level of comfort during extended listening sessions. With an impedance of 26 ohms and sensitivity of 108 dB, the model can be driven easily from smartphones, tablets, or portable DACs. The earphones feature a detachable silver-plated copper cable, with versions available with either a 3.5 mm or 4.4 mm connector. The package also includes six pairs of silicone ear tips and a protective carrying case. With the promo code US817P3, the AFUL Explorer is available at a 21% discount for $94.80 (or €80), down from the regular price of $120.
Binary EP321-MEMS
The Binary EP321-MEMS are the world’s first in-ear monitors to feature Direct Drive MEMS technology in an in-ear format. The key feature of the design is its six-driver configuration arranged in a 3+2+1 layout, which is reflected in the product name. The ultra-high frequencies are handled by a MEMS driver with its own power supply, delivering an exceptionally fast response and high level of detail. The low-end foundation comes from a combination of a 10 mm dynamic driver and a 6 mm passive radiator, producing tight, deep bass. Three balanced armature drivers then complement the design by covering the midrange and upper registers.
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The Binary EP321-MEMS offer a frequency response ranging from 8 Hz to 40 kHz. The stainless-steel faceplates feature a geometric pattern that changes color depending on the angle of the light, giving the earphones a distinctly futuristic appearance. Each earphone weighs 7.5 grams. The housings are made from hypoallergenic resin and feature an anatomical shape designed for a comfortable fit. With high sensitivity of 122 dB and a low impedance of 13 ohms, the EP321-MEMS do not require a dedicated amplifier and can be driven easily from mobile devices. The earphones come with a detachable cable and a choice of 3.5 mm or 4.4 mm connectors, along with six pairs of soft ear tips. With the promo code USBTSS01, the Binary EP321-MEMS are available at a 15% discount for $263.50 (or €225), down from the regular $310.
Binary 1900
Visual aesthetics and cinematic inspiration are the first things that stand out about the Binary 1900 audiophile monitors, designed as a tribute to the film The Legend of 1900. The stainless-steel faceplates feature vintage engravings depicting piano keys and musical motifs, reinforcing the model’s artistic concept. Behind the refined exterior are ergonomically shaped housings made from polymer materials. The package also includes a high-quality silver-plated copper cable, available with either a 3.5 mm or 4.4 mm connector, along with a convenient carrying case and an extensive selection of ear tips.
Each earphone features a sophisticated six-driver hybrid architecture. A 10 mm dynamic driver works alongside a 6 mm passive radiator to deliver deep, elastic, and well-controlled bass. The midrange and high frequencies are handled by four custom balanced armature drivers, which, together with a three-way crossover, produce an articulate vocal presentation and transparent, highly detailed treble. Thanks to its professionally tuned sound profile, the model performs well across a wide range of music genres. With the promo code USBTSS01, the Binary 1900 is available at a discounted price of $211.50 (or €182), down from the regular $235.
Juzear Fiesta
The Juzear Fiesta stands out with its festive Latin American-inspired aesthetic. The faceplates feature vibrant yellow and orange patterns inspired by classic piñatas, while the shells are made from high-quality polymer resin. The package is equally appealing. The earphones come with two silver-plated copper cables: a versatile version with a standard 3.5 mm connector and microphone, and a 4.4 mm version designed for use with higher-end portable audio players.
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Sound reproduction is handled by a combination of a 10 mm dynamic driver with a composite diaphragm and three custom balanced armature drivers. A gold-plated crossover board works alongside three damped sound tubes and a system of micro-vents designed to relieve air pressure. This configuration delivers a warm presentation, exceptionally clear vocals, and smooth treble. With an impedance of 32 ohms and sensitivity of 109 dB, the earphones are easy to drive from a wide range of audio sources. The frequency response is a standard 20 Hz–20 kHz, and with the promo code USBTSS01, the Juzear Fiesta is available for approximately $92 (or €80), down from $102.
MuseHiFi M3 Ultra
The Musehifi M3 Ultra portable DAC and headphone amplifier is designed for music enthusiasts who want a warm, studio-like sound in a compact, mobile format. At its core are JAN6418 vacuum tubes, an ES9028Q2M DAC, an ES9603Q amplifier, and an SA9137L USB controller. The device supports high-resolution audio decoding up to 32-bit/384 kHz PCM and native DSD256, delivering clean sound with a low distortion level of 0.0003%. The manufacturer has also equipped the M3 Ultra with a triple anti-vibration system, a patented silicone damping structure, and an integrated microphonics-reduction algorithm designed to minimize noise caused by movement.
The metal housing features an distinctive hollow-tube design while remaining compact (15 × 10 × 5 cm), lightweight (200 g), and convenient for use on the go. Thanks to its balanced audio circuitry and high output power of up to 480 mW at 32 ohms, the amplifier can easily drive both in-ear monitors and full-size headphones. The device offers dual outputs (3.5 mm and 4.4 mm), independent volume control, and versatile USB-C connectivity with broad compatibility across iOS, Android, and Windows devices. With the discount applied, the Musehifi M3 Ultra is available for $110 (or €95), down from the regular price of $129.40 (or €112).
MuseHiFi Muse300
The MuseHiFi Muse 300 desktop DAC and headphone amplifier stands out from competing devices with its proprietary MUSE OS and dedicated 32-bit controller, designed to provide responsive operation without noticeable lag. Its visual centerpiece is a 5-inch IPS display with three interface themes – Cyberpunk, Minimalistic, and ACG – which can also be used as a secondary display for a PC if desired. Menu navigation and all key settings are conveniently handled via a physical control knob.
The MuseHiFi Muse300 is built around the flagship ES9039 Ultra chipset with HyperStream IV architecture, a low-pass filter, and dedicated amplification modules delivering up to 2,200 mW of output power through the 4.4 mm balanced output. This setup allows the device to handle both in-ear monitors and demanding full-size headphones with ease. For flexible sound customization, the Muse300 offers three sound profiles: Balanced, Tube Amplifier, and ACG. Wireless connectivity is provided by the Qualcomm QCC3095 module with Bluetooth 5.4, supporting LDAC and aptX Lossless codecs for high-quality audio streaming. With the discount applied, the Muse300 is available for $400 (or €345).
Choosing quality Hi-Fi equipment is an investment in your listening experience and a chance to enjoy your favorite music in a whole new way. The HiFiGo sale is a great opportunity to pick up proven audiophile gear at significantly more attractive prices. The sale runs only from August 17 to 27, so choose a model from our selection, apply the promo code, and order the device you want while these sought-after products are still in stock!
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