HiBy W4 - Portabler HiFi Bluetooth Kopfhörerverstärker
USB-DAC, aptX, BluetoothOnly 1 piece in stock at supplier
Colour3
Product details
The HiBy W4 is a portable HiFi Bluetooth headphone amplifier that combines impressive sound quality with a compact and lightweight design. Weighing only 93.3 g, it is ideal for mobile use, allowing you to enjoy music anywhere. The W4 combines the functions of a headphone amplifier and a digital-to-analog converter (DAC) and offers user-friendly operation via a touchscreen interface. With support for various Bluetooth codecs, including aptX Adaptive and LDAC, the W4 ensures high-quality wireless audio transmission. Battery life varies depending on the connection, with the 3.5 mm output providing up to 6.3 hours and the 4.4 mm output offering up to 5 hours of continuous playback. The HiBy W4 is therefore an excellent choice for audiophiles who value sound quality and mobility.
- Bluetooth chip: QCC5181 for stable connections
- Dual CS43198 DAC for outstanding sound quality
- Supports multiple high-resolution Bluetooth codecs
- Easy operation via touchscreen
- Lightweight and portable at only 93.3 g.
Scope of application | Portable |
Wireless transmission | aptX, Bluetooth |
Power supply | Rechargeable battery operated |
Item number | 66981949 |
Manufacturer | HiBy |
Category | Headphone amplifiers |
Manufacturer No. | W4 Orange |
Release date | 5.2.2026 |
External links |
Colour | Orange |
Exact colour description | Orange |
Scope of application | Portable |
Headphone Amplifier Features | USB-DAC |
Wireless transmission | aptX, Bluetooth |
signal-to-noise ratio | 126 dB |
Sample rate | 768 kHz |
Audio resolution | 32 bits |
Audio inputs | USB-C |
Audio outputs | Headphone jack 3.5mm (1x) |
Power supply | Rechargeable battery operated |
Battery life | 6.30 h |
Country of origin | China |
CO₂ emissions | 29.26 kg |
Climate contribution | CHF 0.70 |
Scope of delivery | Display protection film, Hiby W4, Removable metal clip, USB-C to USB-A adapter, USB-C to USB-C cable |
Length | 100 mm |
Width | 100 mm |
Height | 35 mm |
Weight | 93.30 g |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Headphone amplifiers» category have a defect within the first 24 months?
Source: Digitec Galaxus- HiByNot enough data
- 1.Behringer0.3 %
- 2.Mackie1 %
- 3.iFi Audio2.5 %
- 4.FiiO3 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- HiByNot enough data
- 1.FiiO0 days
- 2.iFi Audio5 days
- BehringerNot enough data
- Fosi AudioNot enough data
Return rate
How often is a product of this brand in the «Headphone amplifiers» category returned?
Source: Digitec Galaxus- HiByNot enough data
- 1.Fosi Audio6.4 %
- 2.FiiO6.6 %
- 3.iFi Audio9.5 %
- BehringerNot enough data


