Unfortunately, this deal is no longer valid
Cyrus SOUNDKEY (Graphite)USB DAC/Headphone Amp- Includes 3 months Free Qobuz - £49 at Richer Sounds
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Cyrus SOUNDKEY (Graphite)USB DAC/Headphone Amp- Includes 3 months Free Qobuz - £49 at Richer Sounds

42
Posted 11th Jul

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Improve the sound of your smartphone
The Cyrus soundKey uses a top quality DAC (Digital to Analogue Convertor) built into an ultra-low power circuit that lets you hugely improve the sound of your smartphone or tablet without rapidly draining the battery. Using a much better DAC than the one built into most smartphones and tablets means music sounds more dynamic, detailed and true-to-life.

Compatible with Hi-Res music files
A further bonus with the soundKey is that it’s compatible with Hi-Res music files up to 24 bit/96kHz. This means that, as well as MP3 and AAC files, it will also replay your Hi-Res FLAC files. Hi-Res makes the music sound more natural, with subtle detail easier to detect.

Ultra-low power consumption
A key advantage with this DAC over others is the extremely low power consumption. With a battery drain of less than 50 milliamps – under half the maximum recommended by Apple for use with their iOS devices – the soundKey is kind to your phone’s battery. What this means is a much longer phone battery life than when using other mini-DACs. The device itself is also battery-free.

Works with Windows 10, Android 5+ and iOS9+
Compatible with Windows, Android and Apple devices the soundKey is suitable for just about any smartphone. Simply make sure you have the correct USB OTG (On The Go) connection (Apple Camera Kit connection for Apple iOS devices) and you’re good to go.

Compact, robust and light
Crafted using high quality brushed aluminium, the soundKey is both lightweight and strong. Its sleek design combined with its compact dimensions and mere 18g weight make it perfect for music on the move.

Unlock the key to great sound from your smartphone, with the Cyrus soundKey.


Brand Cyrus
Colour Graphite
USB Yes
Weight (KG) 18.1g
Bluetooth No
Dimensions WxDxH (mm) 23 x 8 x 54
High Resolution Audio Yes
Power Consumption- Normal Use Under 50mA
Optical Digital Inputs No
DAC Texas Instruments PCM5102
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42 Comments
Good price, but I had one of these and it had a noticeable hiss during quiet bits of music. Took it back and second one was the same. Got a refund. Sounded great for louder pieces of music, but not as good as the LG v30 phone I ended up with .
M_z11/07/2019 19:06

Good price, but I had one of these and it had a noticeable hiss during …Good price, but I had one of these and it had a noticeable hiss during quiet bits of music. Took it back and second one was the same. Got a refund. Sounded great for louder pieces of music, but not as good as the LG v30 phone I ended up with .


that's how Amps work it amplifies things if your source is poor or low quality it will amplify the poor quality
kobrakaan11/07/2019 19:11

that's how Amps work it amplifies things if your source is poor or low …that's how Amps work it amplifies things if your source is poor or low quality it will amplify the poor quality


They can also add hiss themselves if they are not designed well.
kobrakaan11/07/2019 19:11

that's how Amps work it amplifies things if your source is poor or low …that's how Amps work it amplifies things if your source is poor or low quality it will amplify the poor quality


I was using Tidal Flac files as the source. There was no discernable hiss at any volume without the DAC and I was listening at low volumes with it.
kobrakaan11/07/2019 19:11

that's how Amps work it amplifies things if your source is poor or low …that's how Amps work it amplifies things if your source is poor or low quality it will amplify the poor quality



It could be the output impedence causing hissing. We can't be certain without knowing what headphones they tried but clearly their LG V30 in that way, so either no hissing or much less of it. If the source has loud hissing in it, yes it will amplify hissing.
Edited by: "rev6" 11th Jul
Have bought and used a variety of DACs. All have massively improved sound quality at the expensive of battery life when used through a smartphone. This one promises low energy usage so maybe worth it?
rev611/07/2019 19:19

It could be the output impedence causing hissing. We can't be certain …It could be the output impedence causing hissing. We can't be certain without knowing what headphones they tried but clearly their LG V30 in that way, so either no hissing or much less of it. If the source has loud hissing in it, yes it will amplify hissing.


But the hissing would just be amplified along with the music. It isn't going to make hissing more apparent compared to the music.
I have a Chord Mojo DAC and it doesn't add any hissing. It's a lot more expensive, however.
mccririck11/07/2019 19:30

But the hissing would just be amplified along with the music. It isn't …But the hissing would just be amplified along with the music. It isn't going to make hissing more apparent compared to the music.


They said in quiet parts of the music.
You know you have a problem if it hisses without any music, or with a completely silent part of a track.
Edited by: "rev6" 11th Jul
rev611/07/2019 19:39

They said in quiet parts of the music.You know you have a problem if it …They said in quiet parts of the music.You know you have a problem if it hisses without any music, or with a completely silent part of a track.


Modern recordings are unlikely to have background hiss. Also as I said it would be no more noticeable through this than any other DAC really.
mccririck11/07/2019 19:44

Modern recordings are unlikely to have background hiss. Also as I said it …Modern recordings are unlikely to have background hiss. Also as I said it would be no more noticeable through this than any other DAC really.


I'm not really talking about the recording, moreso the hardware.
rev611/07/2019 19:48

I'm not really talking about the recording, moreso the hardware.


Eh, no you were talking about the music containing hiss.
mccririck11/07/2019 19:53

Eh, no you were talking about the music containing hiss.


I mentioned that yes. But I'm more focused on the hardware causing the issue as it seems the LG V30 doesn't do it.
Edited by: "rev6" 11th Jul
rev611/07/2019 19:58

I mentioned that yes. But I'm more focused on the hardware causing the …I mentioned that yes. But I'm more focused on the hardware causing the issue as it seems the LG V30 doesn't do it.


The phone I used with the Cyrus DAC, before I got the v30 was Moto G5+. No discernable hiss without the DAC.
M_z11/07/2019 20:30

The phone I used with the Cyrus DAC, before I got the v30 was Moto G5+. No …The phone I used with the Cyrus DAC, before I got the v30 was Moto G5+. No discernable hiss without the DAC.


What headphones were you using?
M_z11/07/2019 20:30

The phone I used with the Cyrus DAC, before I got the v30 was Moto G5+. No …The phone I used with the Cyrus DAC, before I got the v30 was Moto G5+. No discernable hiss without the DAC.


DACs work best on flagships, mid-rangers usually don't have the best processors to drive peripherals through usb, nor best usb connections.

This is a fab deal, at this price Qobuz trial is worth hardware price.
rev611/07/2019 20:31

What headphones were you using?


A pair of Final Heaven IV in ears.
M_z11/07/2019 21:26

A pair of Final Heaven IV in ears.


I had a feeling they were in-ears. Going out on a limb here but it's most definitely output impedance causing it with this headphone amp. Did you try other headphones? Full size ones perhaps?
Edited by: "rev6" 11th Jul
rev611/07/2019 21:28

I had a feeling they were in-ears. Going out on a limb here but it's most …I had a feeling they were in-ears. Going out on a limb here but it's most definitely output impedance causing it with this headphone amp. Did you try other headphones? Full size ones perhaps?


Yes, tried a pair of AKG headphones, same thing.
M_z11/07/2019 21:33

Yes, tried a pair of AKG headphones, same thing.


What model?
I bought one from Richer Sounds a couple of weeks ago. It’s a real step up from just using my Xperia XA2 Ultra, which is really good on its own.
i can confirm that there are occasional pops and crackles during quiet parts, usually after a few seconds in to the track, then it’s all good but it’s an intermittent annoyance.
i use Sony 7506 headphones.
at £49 it’s a bargain
I've had one of these for a while now and can heartily recommend it.
I already have the Cambridge Audio DACmagic XS.

Will I get that much of a difference in sound if I purchased this?
Will it work on Bluetooth headphones too or only if headphones plugged into it? Does it completely bypass the internal DAC?
apjashley112/07/2019 06:06

Will it work on Bluetooth headphones too or only if headphones plugged …Will it work on Bluetooth headphones too or only if headphones plugged into it? Does it completely bypass the internal DAC?


No, yes
Hi what does offer over and above my Android app USB Audio Player, that also bypasses the mobile with its own codec
Hi what does offer over and above my Android app USB Audio Player, that also bypasses the mobile with its own codec.

Good deal alone for 3mths of Qubuz £20 a month or £25 for Sublime.
obsydian12/07/2019 06:49

Hi what does offer over and above my Android app USB Audio Player, that …Hi what does offer over and above my Android app USB Audio Player, that also bypasses the mobile with its own codec



Link to the hardware?
obsydian12/07/2019 08:09

https://www.extreamsd.com/index.php/products/usb-audio-player-pro


That's software to make use of USB audio devices. If you don't use anything but the headphone jack then it's just using your devices built-in DAC and AMP.
The software bypasses the Android limits, using the software codec
obsydian12/07/2019 08:25

The software bypasses the Android limits, using the software codec



When using a USB audio device*
Like the one in the deal.
rev612/07/2019 08:29

When using a USB audio device*Like the one in the deal.


Yeah, it says it in the first line of link:

"Supporting USB audio DACs to play audio files..."
triobot12/07/2019 00:55

I already have the Cambridge Audio DACmagic XS.Will I get that much of a …I already have the Cambridge Audio DACmagic XS.Will I get that much of a difference in sound if I purchased this?


No, but it's smaller + more power-efficient
Seems like the discount is only £25 now. Still, £54.99 is still a great deal, think I might go and buy a backup!
Yeah instore charged £54
I cant find any Qobuz code
obsydian12/07/2019 16:54

I cant find any Qobuz code


It should be on a sticker on the inside flap of the box.
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