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Sony® High-Resolution Black Desktop Audio System

Model #: CAS1
At a Glance
The CAS1 audio system featuring dual-amps and separate speakers accurately recreates original sound spaces for immersive High-Resolution Audio experiences through speakers or headphones. Every subtle note of your favorite music fills your space in exquisitely rich detail, even at low volumes. Also, you can enjoy easy high-quality Bluetooth audio streaming from your devices.
Available in Store Only
$99,999.00Save $NaN

Get to know this product.

The Way The Artists Truly Intended

Enjoy the subtlest nuances of studio-quality sound in higher than CD quality with High-Resolution Audio. Passion for music unites every component from signal to speaker so it feels like the artist is performing right in front of you.

Rediscover your favorite music

The CAS-1 audio system featuring dual-amps and separate speakers accurately recreates original sound spaces for immersive High-Resolution Audio experiences through speakers or headphones. Every subtle note of your favorite music fills your space in exquisitely rich detail, even at low volumes. Also, you can enjoy easy high-quality Bluetooth audio streaming from your devices.

Near-field listening

Experience especially rich sound spaces, accurately recreated within 30 to 80 inch of the separate speakers.

Headphone listening

Independent, high-quality DAC and headphone amp deliver High-Resolution Audio headphone listening.

Enjoy chill-inducing sound quality

High-Resolution Audio reproduces every breath, drumbeat, and note, and the S-Master HX™ all-digital amplifier reduces distortion to deliver a recording studio experience on your tabletop.

Enhancing your existing music

DSEE HX™ upscales existing sound sources to near high resolution sound quality, making you feel as if you are really there at the recording studio or concert.

Dual amps for two music experiences

Independent amplification systems deliver outstanding High-Resolution Audio experiences for the distinct amplification requirements of headphones and speakers.

Two High-Resolution Audio experiences

High-Resolution Audio through separate speakers or headphones. Independent speaker and headphone amps deliver High-Resolution Audio through separate speakers or headphones.

Hear each note with incredible clarity

High-Resolution sound quality through speakers or headphones. Independent amplifiers eliminate added resistance, allowing for sound that is much closer to the original on both headphones and speakers.

More stunning realism than you ever heard

S-Master HX™ full digital amp technology, uniquely developed for High-Resolution Audio, reduces distortion and noise across a wide range of frequencies for rich, full-bodied sound.

Balancing powerful and precise sound

An independent headphone amp and high-end digital-analogue conversion (DAC) drive headphone sound.

Place yourself center stage

Dynamic acoustics create rich soundscapes. Experience your music with live performance richness through stereophonic sound reproduction that recreates the original sound space. Separate speakers distinctively create sound and improve directionality for immersive listening experiences, even in small spaces.

Easily achieve the best listening position

Easily position speakers for best listening point. Place separate speakers 30-80 inches away for optimal listening position. Included brass spikes let you adjust the speaker angle, and included speaker bases provide stable acoustics on any surface.

Powerful, extended bass

The customized bass reflex port allows the compact speakers to reproduce deep, satisfying bass.

Well-balanced sound output

Brass spikes elevate speakers to dampen high frequencies and fix woofer-tweeter route discrepancy.

Immersive soundscapes at any volume

The CAS-1 main unit and separate speakers are designed to recreate original sound spaces, delivering tabletop near field listening, even at low volumes.

Uncompromised richness at any volume

Technologies like Pulse Height Volume and Low Volume Mode ensure dynamic audio response even where other digital amplifiers suffer, at low volumes.

Enhanced headphone listening

Enjoy higher quality listening on various headphone types. A high grade amplifier drives the sound for both in-ear and over ear headphones. CAS-1's dedicated headphone amp and separate high-end DAC adjusts output for more isolated headphone listening experiences. Use the dedicated headphone gain toggle switch to match impedance to headphone type to enhance the listening experience for headphones of varying impedance.

Gain toggle switch

Adjustable gain lets you use your favorite headphones. Use HI/LOW to match impedance to headphone type.

Robust headphone jack

Quality metal parts for stable connections and less distortion. Mini plug socket for wide compatibility.

Easy connections for wireless streaming

Wirelessly connect mobile devices to the separate speakers for convenience and improved sound. Stream your music with detail and clarity using Bluetooth and high-quality LDAC audio codecs.

High quality wireless audio streaming

LDAC is a new audio technology from Sony that allows you to enjoy high quality wireless audio via Bluetooth®. Transmitting up to three times more data, LDAC produces an enhanced wireless listening experience for all your music.

Bluetooth wireless streaming

Wirelessly stream music from your smartphone, tablet, or laptop via Bluetooth®.

Instant one-touch connections

Use NFC to instantly pair CAS-1 with NFC-enabled smartphones with a single touch.

Designed for your space

Stylish compact separate speaker design for near field listening lets you enjoy high-quality sound in small spaces, leaving plenty of room for work, study, and play. Easily position the powerful compact speakers for the best possible listening experience.

High-quality circuitry

The rigid frame and beam chassis houses two separate circuit boards for the independent S-Master HX amplifier for speakers and the DAC + amplifier for headphones.

Designed for clarity

Compact separate speakers for near-field listening. Housed in specially painted high-grade cabinets, the separate CAS-1 speakers create an ideal acoustic field on your tabletop.

Connect your music devices

Easily play your music from wherever it is. Connect your PC, Walkman, Xperia™ smartphone or tablet via USB for High-Resolution Audio. Easily connect music devices with one touch to wirelessly stream music with detail and clarity via NFC + Bluetooth® and LDAC. A new audio technology from Sony delivering high quality wireless audio via Bluetooth®, LDAC is part the wireless audio performance solution, delivering exceptional listening.

Unite your music

Easy streaming control with the SongPal app. The SongPal app allows you to easily and intuitively manage your listening experience. Simply install the SongPal app on smartphones to take control of music playback and device settings in one app.

The Heart Behind the Sound System

Sony audio engineer Kasumi Miyamoto shares her passion for sound and the technology behind the CAS-1 Compact Audio System.

  • High-Resolution Audio compatible
  • DSEE HX upscales music to near High-Resolution quality
  • S-Master HX digital amplifier for pure sound quality
  • Dedicated amp and DAC drive headphones powerfully and precisely.
  • Easy Bluetooth® connectivity with NFC One-touch


Speaker Type2-way, 2-driver speaker system, Bass reflex
Speaker SizeTweeter: 1/2" soft dome type, Woofer: 2.44 in, cone type
Dimensions (W x H x D)Main Unit: Approx. 2.16 x 7 x 8.25 in; Speaker Unit: Approx. 3.75 x 7 x 6.75 in
WeightMain Unit: Approx. 2.8 lbs (With Battery); Speaker unit: Approx. 3.3 lbs
Input and Output TerminalsHeadphone Out, Speaker Output, USB A, USB B
Frequency Range2.4 GHz band (2.4000 GHz - 2.4835 GHz)
Remote ControlRMT-AA140UB
Power Consumption29W (when on) / AC
Power Consumption (Off Mode)Not available
Power Consumption (Standby Mode)0.3 W
Power Consumption (Network Standby Mode) Terminals1.5 W (Bluetooth®)/2.0 W (all terminals and networks connected)
Standby Mode ActivatedAfter 15 minutes
Networked Standby Mode Activated- TerminalsAfter 15 minutes (Bluetooth)
Wireless Network(s) On/Off SwitchPress and hold (BLUETOOTH®) PAIRING button of the unit simultaneously for more than 4 seconds

Misc. Specs

Number of Speakers2
Bluetooth CapableYes
WarningProposition 65 Warning for California Residents