FiiO SP3 BT High Fidelity Active Desktop Speakers

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FiiO SP3 BT High Fidelity Active Desktop Speakers

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Key info

  • 3.5-inch carbon fiber woofer and 1-inch silk tweeter deliver precise, dynamic audio.
  • Features Bluetooth, USB-C, coaxial, and optical inputs with Qualcomm QCC5124 chip for stable, high-resolution audio.
  • Die-cast aluminum cabinet with an S-shaped port reduces resonance and enhances bass.
  • Lightweight magnesium yoke, memory foam ear cushions, and automatic standby/wake-up function for convenience.
  • Supports hi-res Bluetooth codecs like LDAC and aptX Adaptive, 10-band parametric EQ, and RGB status lights for a personalized experience.

All specifications

Physical characteristics
Weight Primary speaker weight 1950 g; Secondary speaker weight 1660 g
Dimensions (HxWxD) approx. 163 x 120 x 132 mm (excluding base); approx. 170 x 120 x 132 mm (including 0° flat base); approx. 182 x 120 x 132 mm (including 7° angled base)
Enclosure material Aluminium alloy
Speaker characteristics
Sensitivity 85dB (1Vrms@1kHz)
Crossover type 2-way
Frequency Response 65Hz-20kHz (±2dB)
Soundbar output power 2 x 30W (woofer) + 2 x 10W (tweeter)
Included accessories
What's in the box Primary speaker, Secondary speaker, Power adapter, AC power cable, RCA to 3.5mm audio input cable, Primary and secondary speaker connection cable, 2 x 0° elevated rubber base, 2 x 7° elevated rubber base, User manual

True audiophile-grade quality, as solid as ever

The SP3 BT series employs a 3.5-inch carbon fiber woofer and a 1-inch silk tweeter, larger than typical products in its class. These larger woofers have an inherent advantage over smaller woofers in dynamics, projecting a larger soundstage, and other sonic attributes. Whether watching movies or listening to music, this woofer is truly capable of expressing the grandness of the audio even at louder volumes.

The FiiO SP3 BT High-Fidelity Active Desktop Speaker enhances the base model SP3 by adding Bluetooth connectivity and broadening its connectivity options with digital optical, coaxial, and USB-C inputs. It is equipped with the Qualcomm QCC5124 Bluetooth chip, which ensures stable, high-bitrate audio transmission and support for high-resolution codecs including LDAC and aptX. Both the standard and BT models feature a 3.5-inch carbon fibre woofer and a one-inch silk dome tweeter, offering outstanding performance on a desktop scale with treble extending up to 35kHz, reproducing intricate details.

3.5-inch Carbon Fibre Mid-Woofer

The FiiO SP3 BT features a 3.5-inch mid-woofer constructed from ultra-thin, high-strength carbon fibre, designed to deliver superior sound even at high volumes. This enables quick transient responses and reduced distortion by damping unwanted vibrations. Additionally, innovative asymmetrical magnetic circuits enhance bass and clarity, achieving a magnetic flux up to 1.2 Tesla, maximised for detailed performance on a desktop scale.

High-Resolution Tweeter

Equipped with a one-inch silk tweeter, the FiiO SP3 BT delivers high-frequency sounds up to 35kHz, enhanced by a KSV copper-clad aluminium voice coil for clarity. Its soft-dome design and directional acoustic waveguides optimise sound transmission for users listening 15 degrees from the centre, while magnetic circuit cooling and a spacious rear cavity reduce resonances for smooth, extended treble execution.

Advanced Bluetooth Connectivity

Experience the convenience of wireless play with the FiiO SP3 BT, the Bluetooth-enhanced version of the FiiO SP3. It features the advanced Qualcomm QCC5124 Bluetooth chip, delivering stable, high-bitrate audio through its sophisticated dual DSP and dual-core CPU architecture. This speaker supports hi-res Bluetooth codecs like LDAC and aptX Adaptive, enabling streaming up to 990kbps for wireless freedom and wired-level sound quality.

Innovative Cabinet Design

Constructed from high-strength die-cast aluminium, the compact SP3 BT cabinet maintains minimal resonance, featuring a double-diffused S-shaped porting tube that maximises bass while minimising turbulence as air is moved by the drivers. You choose between the included zero and seven-degree rubber base options to tailor alignment based on your setup.

Versatile Digital and Analogue Inputs

The SP3 BT model expands the SP3 Desktop Speaker’s connectivity by adding USB Type-C, coaxial, and optical inputs to the existing RCA and 3.5mm options. These digital additions, alongside wireless functionality, ensure seamless integration with a wider range of audio sources, providing instant playback for both modern and traditional connection methods.

Powerful Asymmetrical Magnetic Circuits

In order to allow the 3.5″ woofer to really produce potent bass and let the SP3 series perform to its maximum potential, the development team created an asymmetrical internal and external magnetic circuit system. An auxiliary magnet was added to the centre of the SP3 series internals to form an inner and outer magnetic circuit, which improves the strength of the magnetic field created – allowing for a magnetic flux of up to 1.2 Tesla. This is the powerful driving force behind the driver that gives the SP3 series its dynamic sound. In addition, the asymmetrical internal and external magnetic circuit system also helps to reduce non-linear distortion across all frequencies.

Soft tweeter dome wave-absorbing structure

The softness of the internal part of the silk tweeter also acts as a soundwave absorbent, effectively absorbing unwanted sound waves behind the driver and further enhancing the sound output by the tweeter.

Low resonance frequency and high current carrying capacity have always been the goals of those designing high-fidelity audio products. The SP3 series features a large cavity rear of the tweeter magnet, allowing the tweeter to play frequencies as low as an astonishing 800Hz. Even when the tweeter is playing frequencies above 20kHz, the rear cavity and overall design of the tweeter allow for unwanted soundwaves to escape and reduce resonance generated by tweeter movement. The result is silky smooth yet well-extended treble.

Double-diffused S-shaped Porting Tube

The innovative double-diffused S-shaped porting tube enhances bass extension and control, resulting in fast bass transients and superior bass quality. This design allows the SP3 to remain compact, maximizes airflow and reduces turbulence to reproduce deep, punchy bass.

Qualcomm QCC5124 Bluetooth chip

The SP3 BT utilizes the Qualcomm QCC5124 Bluetooth chip, which thanks to its dual DSP and dual-core design is able to capably handle high bitrate audio stably and consistently.

The FiiO SP3 BT supports multiple high-resolution Bluetooth codecs such as LDAC / aptX Adaptive / AAC, giving you freedom and flexibility to choose how you listen. When using LDAC, you can experiment high bitrate audio up to 990kbs, fully letting you hear every last detail in your music.

Customisable User Experience

With its customisable 10-band parametric EQ accessible through the FiiO Control app, the SP3 BT invites users to precisely shape their sound. The speaker also features dynamic RGB LED lighting, which not only displays codec-dependent status colours for source identification at a glance but enhances the ambience, ensuring a visually engaging, high-resolution audio experience.

Wireless transmission, always online

Thanks to the Qualcomm QCC5124 Bluetooth chip, the SP3 BT supports multiple high-resolution Bluetooth codecs, such as LDAC/aptX Adaptive/AAC, giving you freedom and flexibility to choose how you listen. When using LDAC, you can experience high bitrate audio up to 990kbs, fully letting you hear every last detail in your music.

Supports 10-band parametric EQ

The SP3 BT has been designed to fully work with the FIIO Control APP/FIIO Music mobile apps. When you successfully connect via Bluetooth, the mobile apps allow you to fine-tune your sound, such as customizing the device name and specifying which Bluetooth codecs you want to use. But the biggest highlight of the app is the 10-band parametric EQ, allowing you for each band to adjust the Q value, gain, and other parameters.

Supports standby wake-up function

The SP3 BT has a standby wake-up function, i.e. if no signal input is detected within 20 minutes, the SP3 BT will automatically enter the standby mode, if there is signal input detected, the SP3 BT will automatically enter the playback mode. An automatic “play/pause” makes the speaker more intuitive to your needs.

RGB status lights

In order to make it easier to tell what the speakers are doing, the development team set up to RGB lighting system to clearly display their current status. Additionally, there are also various RGB lighting effects you can adjust at will to further enhance the atmosphere when listening.


  • Qualcomm QCC5124 Bluetooth chip supports hi-res codecs like LDAC and aptX for superior audio streaming.
  • Adds digital inputs, including USB Type-C, coaxial, and optical, to the standard SP3’s RCA and AUX.
  • Features a 3.5-inch carbon fibre woofer and a one-inch silk tweeter for precise sound and treble up to 35kHz.
  • Dual Texas Instruments TI 3118 Class D amplifiers deliver 30W to each woofer and 10W to each tweeter for dynamic performance.
  • Two-way, second-order active filter crossover finely tunes audio signal division for optimal sound.
  • Automatic standby/wake-up function turns the speaker on when a signal is detected and off after 20 minutes idle.
  • Die-cast aluminium cabinet with double-diffused S-shaped port significantly reduces resonance for clearer sound.
  • Zero-degree and seven-degree elevated rubber bases to align the tweeter with the listener.
  • Comes with all necessary cables for immediate use, assisting the out-of-box experience.
  • Certified for Hi-Res and Hi-Res Wireless Audio playback by the JAS and CEA.


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