FiiO KA11 USB C to 3.5mm Audio Adapter 32bit/384KHz, Type C to 3.5mm USB Dongle Sold by Advanced MP3 Players / FBA
£28.99
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A small device that plugs into your phone's USB-C port and converts digital audio into an analogue signal, then amplifies it through a 3.5mm headphone jack. It essentially replaces your phone's built-in audio circuitry w
ShopAt desk: FiiO KA11 USB C to 3.5mm Audio Adapter 32bit/384KHz, Type C to 3.5mm USB Dongle Sold by Advanced MP3 Players / FBA for £28.99 at Amazon.
£28.99 - Amazon
USB DAC/Amplifier dongle — a tiny device that plugs into your phone's USB-C port and converts digital audio into an analogue signal, then amplifies it through a 3.5mm headphone jack. It essentially replaces your phone's built-in audio circuitry with a dedicated, higher-quality chip.
How it helps drive harder-to-power headphones:
Most phones have weak built-in amplifiers, which struggle with headphones that have:
• High impedance (e.g., 80–300Ω), such as the Sennheiser HD 650 (300Ω) — these need more voltage to reach proper volume levels.
• Low sensitivity (e.g., below 100dB/mW), meaning they need more power to get loud.
The KA11's dedicated amplifier provides cleaner, stronger power output than a phone alone.
In short — it unlocks the full potential of quality headphones directly from your phone.
Worth a quick stock check — popular sizes and colours can go fast once a deal hits the feed.
£28.99 - Amazon
USB DAC/Amplifier dongle — a tiny device that plugs into your phone's USB-C port and converts digital audio into an analogue signal, then amplifies it through a 3.5mm headphone jack. It essentially replaces your phone's built-in audio circuitry with a dedicated, higher-quality chip.
How it helps drive harder-to-power headphones:
Most phones have weak built-in amplifiers, which struggle with headphones that have:
• High impedance (e.g., 80–300Ω), such as the Sennheiser HD 650 (300Ω) — these need more voltage to reach proper volume levels.
• Low sensitivity (e.g., below 100dB/mW), meaning they need more power to get loud.
The KA11's dedicated amplifier provides cleaner, stronger power output than a phone alone.
In short — it unlocks the full potential of quality headphones directly from your phone.
Worth a quick stock check — popular sizes and colours can go fast once a deal hits the feed.
Quick answers
What is the deal?
£28.99 - Amazon
How it helps drive harder-to-power headphones?
See the deal details on this page, then confirm the live price on the merchant site via Get deal.
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