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iFi GO blu - Hi-Res Portable Bluetooth DAC with Audeze LCD-2 Closed Back Headphones
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Product Description

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Most pocket-size Bluetooth DAC/headphone amps incorporate all-in-one ‘system on a chip’ solutions to deliver input processing, digital-to-analogue signal conversion and amplification. These are simple and cost-effective, but they cannot compare with expertly designed, individually optimized circuit stages when it comes to sound quality.

Features & Specs Line Circle

SUPER LIGHT. SUPER SOUND
HD Bluetooth DAC. Apple Music, Spotify, every song on the GO!
CHIP TYPE
DAC: Cirrus Logic CS43131
OUTPUTS
Balanced: 4.4mm, SE: 3.5mm
LCD-2 CLOSED IMPEDANCE
70Ω
LCD-2 CLOSED FR
10Hz - 50kHz
LCD-2 CLSOED SENSITIVITY
101 dB/1mW (at Drum Reference Point)
SUPER LIGHT. SUPER SOUND
HD Bluetooth DAC. Apple Music, Spotify, every song on the GO!
CHIP TYPE
DAC: Cirrus Logic CS43131
OUTPUTS
Balanced: 4.4mm, SE: 3.5mm
LCD-2 CLOSED IMPEDANCE
70Ω
LCD-2 CLOSED FR
10Hz - 50kHz
LCD-2 CLSOED SENSITIVITY
101 dB/1mW (at Drum Reference Point)

Expert Insight

Line Circle

If you’re worried about losing too much soundstage by going with the Closed-Back, don’t.

Expert Img
Major HiFi
Hi Fi Reviews

Details

Line Circle

iFi GO blu - Hi-Res Portable Bluetooth DAC & Audeze LCD-2 Closed Back - Over Ear Headphones Bundle

  • Separate Bluetooth, DAC and amp stages – individually optimized for maximum performance
  • Built-in mic for hands-free calls when paired with your smartphone
  • Balanced twin-mono circuit design with Direct Drive equals ultra-low distortion
  • Fully-balanced and S-Balanced outputs make the most of all headphone types
  • Advanced Bluetooth module with QC5100 chipset handles every HD format
  • All the latest 24-bit-capable Bluetooth audio formats are supported - AAC, SBC, aptX, aptX HD, aptX Adaptive, aptX LL, LDAC, LHDC/HWA
  • Bluetooth implementation avoids typical 40% quality drop found with standard Bluetooth
  • Future codecs can be added
  • Weighs only 26g
  • 10 hour battery

Super Light. Super Sound.

GO blu, pocket-rocket portable HD DAC/amp, is diminutive enough to take with you wherever you go! It gives you best sound from wired but the convenience of wireless as you no longer need to have a cable connection to your smartphone.

Whether you’re exercising at the gym with your Apple watch clocking your every step or catching up on your MacBook at your favorite coffee shop, the GO blu is the perfect companion.

It pairs wirelessly with your source device via Bluetooth with no need to worry about whether you’ve got the right cable for your Android or Apple device. Just pair … and GO!

Superior Sound. Unbound.

Wireless headphones or earphones of any kind integrate Bluetooth processing, D/A conversion and amplification onto one, standard ‘off the shelf’ chip. There is a ceiling to the sound quality that can be achieved.

Team good corded headphones or in-ear monitors, with a separate, high-quality portable DAC/headphone amp, and your sound quality will beat any pair of wireless headphone or earphones hands down.

Pair the GO blu to your Apple/Android. Connect your favorite corded headphones to the GO blu and then tuck it away – it’s so petite it will slip into your running gear or suit pocket. It’s also gorgeous enough to show off by leaving it on the table at your favorite coffee shop!

GO blu. Go beyond.

With its lightweight, soft-touch polymer enclosure (great for Bluetooth reception, unlike signal-blocking metal), copper-coloured trim and ChronoDial watch crown-style control, the GO blu is a pleasure to use wherever you go.

iFi has even incorporated a high-quality chip-based (CMOS-MEMS) microphone, enabling hands-free calls, voice chat for gaming and access to voice assistants such as Apple Siri and Google Assistant.

Further flexibility is provided by the USB-C charging port, which doubles as an audio input enabling USB connection from source devices that don’t offer Bluetooth connectivity. Hi-res PCM audio data up to24-bit/96kHz is supported when the GO blu is connected in this way.

HD Bluetooth 5.1

The way iFi implements Bluetooth is anything but ‘run of the mill’ and despite its diminutive size the GO blu is no exception.

The use of Qualcomm’s latest four-core QCC5100 Bluetooth processing chip ensures that every current high-definition Bluetooth audio format is supported.

  • aptX Adaptive and aptX HD
  • LDAC and HWA/LHDC
  • regular aptX and aptX Low Latency
  • AAC
  • SBC (plain vanilla Bluetooth)

This means that every possible source device is handled at the highest audio resolution its Bluetooth specification allows – no other pocket-size DAC/amp delivers such comprehensive codec support, or such high-quality sound over Bluetooth.

The GO blu is Bluetooth v5.1-compliant, ensuring the best possible range, stability and performance, and its ‘Bluetooth engine’ can be updated over the air.

Three. Unique. Stages.

Bluetooth. DAC. Amplifier.

Most pocket-size Bluetooth DAC/headphone amps incorporate all-in-one ‘system on a chip’ solutions to deliver input processing, digital-to-analogue signal conversion and amplification. These are simple and cost-effective, but they cannot compare with expertly designed, individually optimized circuit stages when it comes to sound quality.

Uniquely for a device of this type and size, the GO blu’s clever design packs in separate Bluetooth + DAC + Amp stages, each engineered in distinct blocks to deliver the ideal combination of cutting-edge specification and superb sound. Others just don’t this level of execution.

The Bluetooth stage makes full use of Qualcomm’s latest four-core QCC5100 Bluetooth chip and supports every current high definition format.

This then feeds the DAC stage with a Cirrus Logic 32-bit DAC chip at its heart. This is coupled with a customized digital filter to minimize pre-echoes and ringing artefacts, and a precision clock system to ensure ultra-low jitter, thus reducing errors and distortion in the digital audio signal.

The amp circuitry benefits from symmetrical twin-mono signal paths and utilizes iFi’s Direct Drive design concept – direct-coupled to ensure a clean signal path without distortion-inducing output coupling capacitors. The amp stage delivers up to 5.6V (twice the voltage of others) – considerably more power than other similarly sized devices – handling even relatively tough headphone loads with ease. To ensure signal strength suits the sensitivity of the connected headphones or earphones, auto-gain adjusts output up or down by 6dB.

Swiss Chronograph Design & Implementation

GO blu‘s ChronoDial is a masterpiece of precision engineering and, just like a Chronograph, it gives you precise, analogue volume control. You can use it to play, pause, and skip tracks forward and backwards and even activate the voice assistant on your Bluetooth-connected smart device. Here’s how it’s constructed:

  • Brass supporting column with anti-corrosion
  • Brass locking nut with anti-corrosion
  • Precision 304 stainless steel bearing
  • 304 stainless steel main dial with beryllium cobalt copper coating
  • High-purity nickel push-button spring
  • Precision CNC machined AL6063 aluminum push button

GO Balanced

Whether you use balanced or non-balanced headphones, you get the least noise and best channel separation for the most enjoyable music.

The GO blu boasts a Pentaconn 4.4mm output enabling headphones equipped with balanced connectivity to take full advantage of the GO blu’s balanced amp design.

In addition, the 3.5mm output benefits from iFi’s proprietary S-Balanced circuitry. This cuts crosstalk and related distortion in half when used with regular, single-ended headphone connections, this is especially beneficial with high-sensitivity in-ear monitors.

Both outputs are gold-plated to resist tarnishing and thereby maintain optimum contact quality.

X-factor. Inside and out.

With XBass to add back lost low-end grunt and XSpace to widen the soundstage, the GO blu is small on the outside but mighty on the inside. You will be immersed in its majestic musicality.

Even phone calls are ‘clear Voice capture’ using Qualcomm’s ANC technology. Clear, crisp and no annoying echo.

The X-factor doesn’t stop with the sound. The GO blu has a watch crown-style control and is made with hi-tech components. It weighs in at a super featherlight 26grams or 0.06 lbs.

Audeze LCD-2 Closed Back: Planar Magnetic Over Ear Headphones

  • Planar Magnetic Headphones
  • Proprietary Magnet Array
  • Frequency response: 10Hz - 50kHz
  • Handcrafted in the USA

A Tradition of Excellence

Experience the engaging warmth and vibrancy of the Audeze LCD-2 Classic without disturbing your neighbors! The LCD-2 Closed Back headphone is the perfect option for those looking for an accessible entry point to Audeze's world-renowned LCD line with minimal sound leakage. The LCD-2 Closed Back will truly make you feel like you’ve been transported into your own musical world.

The lineage of the LCD Origins series can be traced back to the original LCD-2. Much has changed over the years, but these headphones still retain the iconic warmth and vibrant presentation that have captivated listeners for more than a decade.

Connect to the Music

The most forgiving of the Audeze LCD headphones, the LCD Origins series offers an engaging musical experience that features powerful bass and a rich midrange. Connect to the music as though you're in the room with the musicians.

Engineered and Handcrafted in the USA

Audeze headphones are engineered and handcrafted in the USA to their exacting quality standards. The beautiful wood rings are precisely matched by grain and color for a sophisticated look to match the premium Audeze audio quality.

What's included?

  • LCD-2 Closed Back planar magnetic headphones
  • 1.9m 1/4'' to dual 4-pin mini-XLR cable
  • User guide

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
Most pocket-size Bluetooth DAC/headphone amps incorporate all-in-one ‘system on a chip’ solutions to deliver input processing, digital-to-analogue signal conversion and amplification. These are simple and cost-effective, but they cannot compare with expertly designed, individually optimized circuit stages when it comes to sound quality.
Features & Specsdown arrow

Features & Specs Line Circle

SUPER LIGHT. SUPER SOUND
HD Bluetooth DAC. Apple Music, Spotify, every song on the GO!
CHIP TYPE
DAC: Cirrus Logic CS43131
OUTPUTS
Balanced: 4.4mm, SE: 3.5mm
LCD-2 CLOSED IMPEDANCE
70Ω
LCD-2 CLOSED FR
10Hz - 50kHz
LCD-2 CLSOED SENSITIVITY
101 dB/1mW (at Drum Reference Point)
SUPER LIGHT. SUPER SOUND
HD Bluetooth DAC. Apple Music, Spotify, every song on the GO!
CHIP TYPE
DAC: Cirrus Logic CS43131
OUTPUTS
Balanced: 4.4mm, SE: 3.5mm
LCD-2 CLOSED IMPEDANCE
70Ω
LCD-2 CLOSED FR
10Hz - 50kHz
LCD-2 CLSOED SENSITIVITY
101 dB/1mW (at Drum Reference Point)
Expert Insightdown arrow

Expert Insight

Line Circle

If you’re worried about losing too much soundstage by going with the Closed-Back, don’t.

Expert Img
Major HiFi
Hi Fi Reviews
Detailsdown arrow

Details

Line Circle

iFi GO blu - Hi-Res Portable Bluetooth DAC & Audeze LCD-2 Closed Back - Over Ear Headphones Bundle

  • Separate Bluetooth, DAC and amp stages – individually optimized for maximum performance
  • Built-in mic for hands-free calls when paired with your smartphone
  • Balanced twin-mono circuit design with Direct Drive equals ultra-low distortion
  • Fully-balanced and S-Balanced outputs make the most of all headphone types
  • Advanced Bluetooth module with QC5100 chipset handles every HD format
  • All the latest 24-bit-capable Bluetooth audio formats are supported - AAC, SBC, aptX, aptX HD, aptX Adaptive, aptX LL, LDAC, LHDC/HWA
  • Bluetooth implementation avoids typical 40% quality drop found with standard Bluetooth
  • Future codecs can be added
  • Weighs only 26g
  • 10 hour battery

Super Light. Super Sound.

GO blu, pocket-rocket portable HD DAC/amp, is diminutive enough to take with you wherever you go! It gives you best sound from wired but the convenience of wireless as you no longer need to have a cable connection to your smartphone.

Whether you’re exercising at the gym with your Apple watch clocking your every step or catching up on your MacBook at your favorite coffee shop, the GO blu is the perfect companion.

It pairs wirelessly with your source device via Bluetooth with no need to worry about whether you’ve got the right cable for your Android or Apple device. Just pair … and GO!

Superior Sound. Unbound.

Wireless headphones or earphones of any kind integrate Bluetooth processing, D/A conversion and amplification onto one, standard ‘off the shelf’ chip. There is a ceiling to the sound quality that can be achieved.

Team good corded headphones or in-ear monitors, with a separate, high-quality portable DAC/headphone amp, and your sound quality will beat any pair of wireless headphone or earphones hands down.

Pair the GO blu to your Apple/Android. Connect your favorite corded headphones to the GO blu and then tuck it away – it’s so petite it will slip into your running gear or suit pocket. It’s also gorgeous enough to show off by leaving it on the table at your favorite coffee shop!

GO blu. Go beyond.

With its lightweight, soft-touch polymer enclosure (great for Bluetooth reception, unlike signal-blocking metal), copper-coloured trim and ChronoDial watch crown-style control, the GO blu is a pleasure to use wherever you go.

iFi has even incorporated a high-quality chip-based (CMOS-MEMS) microphone, enabling hands-free calls, voice chat for gaming and access to voice assistants such as Apple Siri and Google Assistant.

Further flexibility is provided by the USB-C charging port, which doubles as an audio input enabling USB connection from source devices that don’t offer Bluetooth connectivity. Hi-res PCM audio data up to24-bit/96kHz is supported when the GO blu is connected in this way.

HD Bluetooth 5.1

The way iFi implements Bluetooth is anything but ‘run of the mill’ and despite its diminutive size the GO blu is no exception.

The use of Qualcomm’s latest four-core QCC5100 Bluetooth processing chip ensures that every current high-definition Bluetooth audio format is supported.

  • aptX Adaptive and aptX HD
  • LDAC and HWA/LHDC
  • regular aptX and aptX Low Latency
  • AAC
  • SBC (plain vanilla Bluetooth)

This means that every possible source device is handled at the highest audio resolution its Bluetooth specification allows – no other pocket-size DAC/amp delivers such comprehensive codec support, or such high-quality sound over Bluetooth.

The GO blu is Bluetooth v5.1-compliant, ensuring the best possible range, stability and performance, and its ‘Bluetooth engine’ can be updated over the air.

Three. Unique. Stages.

Bluetooth. DAC. Amplifier.

Most pocket-size Bluetooth DAC/headphone amps incorporate all-in-one ‘system on a chip’ solutions to deliver input processing, digital-to-analogue signal conversion and amplification. These are simple and cost-effective, but they cannot compare with expertly designed, individually optimized circuit stages when it comes to sound quality.

Uniquely for a device of this type and size, the GO blu’s clever design packs in separate Bluetooth + DAC + Amp stages, each engineered in distinct blocks to deliver the ideal combination of cutting-edge specification and superb sound. Others just don’t this level of execution.

The Bluetooth stage makes full use of Qualcomm’s latest four-core QCC5100 Bluetooth chip and supports every current high definition format.

This then feeds the DAC stage with a Cirrus Logic 32-bit DAC chip at its heart. This is coupled with a customized digital filter to minimize pre-echoes and ringing artefacts, and a precision clock system to ensure ultra-low jitter, thus reducing errors and distortion in the digital audio signal.

The amp circuitry benefits from symmetrical twin-mono signal paths and utilizes iFi’s Direct Drive design concept – direct-coupled to ensure a clean signal path without distortion-inducing output coupling capacitors. The amp stage delivers up to 5.6V (twice the voltage of others) – considerably more power than other similarly sized devices – handling even relatively tough headphone loads with ease. To ensure signal strength suits the sensitivity of the connected headphones or earphones, auto-gain adjusts output up or down by 6dB.

Swiss Chronograph Design & Implementation

GO blu‘s ChronoDial is a masterpiece of precision engineering and, just like a Chronograph, it gives you precise, analogue volume control. You can use it to play, pause, and skip tracks forward and backwards and even activate the voice assistant on your Bluetooth-connected smart device. Here’s how it’s constructed:

  • Brass supporting column with anti-corrosion
  • Brass locking nut with anti-corrosion
  • Precision 304 stainless steel bearing
  • 304 stainless steel main dial with beryllium cobalt copper coating
  • High-purity nickel push-button spring
  • Precision CNC machined AL6063 aluminum push button

GO Balanced

Whether you use balanced or non-balanced headphones, you get the least noise and best channel separation for the most enjoyable music.

The GO blu boasts a Pentaconn 4.4mm output enabling headphones equipped with balanced connectivity to take full advantage of the GO blu’s balanced amp design.

In addition, the 3.5mm output benefits from iFi’s proprietary S-Balanced circuitry. This cuts crosstalk and related distortion in half when used with regular, single-ended headphone connections, this is especially beneficial with high-sensitivity in-ear monitors.

Both outputs are gold-plated to resist tarnishing and thereby maintain optimum contact quality.

X-factor. Inside and out.

With XBass to add back lost low-end grunt and XSpace to widen the soundstage, the GO blu is small on the outside but mighty on the inside. You will be immersed in its majestic musicality.

Even phone calls are ‘clear Voice capture’ using Qualcomm’s ANC technology. Clear, crisp and no annoying echo.

The X-factor doesn’t stop with the sound. The GO blu has a watch crown-style control and is made with hi-tech components. It weighs in at a super featherlight 26grams or 0.06 lbs.

Audeze LCD-2 Closed Back: Planar Magnetic Over Ear Headphones

  • Planar Magnetic Headphones
  • Proprietary Magnet Array
  • Frequency response: 10Hz - 50kHz
  • Handcrafted in the USA

A Tradition of Excellence

Experience the engaging warmth and vibrancy of the Audeze LCD-2 Classic without disturbing your neighbors! The LCD-2 Closed Back headphone is the perfect option for those looking for an accessible entry point to Audeze's world-renowned LCD line with minimal sound leakage. The LCD-2 Closed Back will truly make you feel like you’ve been transported into your own musical world.

The lineage of the LCD Origins series can be traced back to the original LCD-2. Much has changed over the years, but these headphones still retain the iconic warmth and vibrant presentation that have captivated listeners for more than a decade.

Connect to the Music

The most forgiving of the Audeze LCD headphones, the LCD Origins series offers an engaging musical experience that features powerful bass and a rich midrange. Connect to the music as though you're in the room with the musicians.

Engineered and Handcrafted in the USA

Audeze headphones are engineered and handcrafted in the USA to their exacting quality standards. The beautiful wood rings are precisely matched by grain and color for a sophisticated look to match the premium Audeze audio quality.

What's included?

  • LCD-2 Closed Back planar magnetic headphones
  • 1.9m 1/4'' to dual 4-pin mini-XLR cable
  • User guide
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