What StreamUnlimited does

StreamUnlimited Engineering GmbH is a Vienna-based B2B technology provider founded in 2005 that builds embedded audio streaming software (StreamSDK), certified hardware modules, and engineering services for connected audio and IoT products. The company's flagship StreamSDK is a Linux-based, cross-platform software stack described as the most comprehensive audio streaming solution worldwide, with 100+ pre-certified integrations spanning Spotify Connect, AirPlay/AirPlay 2, Google Cast, TIDAL Connect, Qobuz Connect, Roon, Amazon Music, UPnP/DLNA, Dolby Atmos, and AES67/Dante, plus voice assistants (Amazon Alexa, Google Assistant) and smart-home protocols (Matter, SmartThings, Control4, Crestron). The hardware module family spans cost-optimized (Stream205 OSM, Stream210), mid-range (Stream1832), and premium tiers (Stream1955 supporting up to 768kHz PCM/DSD512, Stream1977 Wi-Fi 7), and the company operates an in-house EMC laboratory in Vienna for pre-certification testing.

StreamUnlimited generates revenue through four streams: (1) software licensing of StreamSDK and add-on modules (StreamAnalytics, Voice LLM, StreamAmp), (2) hardware module sales to manufacturers, (3) professional engineering services spanning hardware design, embedded software, QA/testing, AI integration, and EMC lab rentals, and (4) pre-certified white-label and Stream2Go reference products for fast time-to-market. The company serves consumer electronics brands (Harman Kardon citation speakers launched 2018, plus unnamed major brands), smart home/IoT manufacturers, CEDIA custom installers, automotive, and industrial/embedded systems segments, with 100+ delivered projects and a network of 70+ ODM partners globally. Distribution is direct via sales offices in Vienna (HQ), Boston, Osaka, and Shenzhen, supplemented by the CEDIA integrator channel and development partners Audivo and JUSST engineering. Pricing is custom/quote-based and not publicly disclosed.

On June 9, 2026, StreamUnlimited was acquired by Bose Corporation and became part of Bose's Audio Technology business. Post-acquisition, the company continues to serve its existing and new customer base while its StreamSDK infrastructure supports Bose's Sound by Bose licensing strategy across third-party devices and the McIntosh and Sonus faber brands. With approximately 120 employees across 30+ nationalities, the company has accelerated product launches through 2025-2026 including Voice LLM Agent Integration, Dolby Atmos FlexConnect, Wi-Fi 6/7 modules, and next-generation AES67 multiroom functionality.

Name

StreamUnlimited

Legal name

StreamUnlimited Engineering GmbH

Website

https://streamunlimited.com

Company type

Private

Founded year

2005

Operating status

Acquired

Headcount range

101–250 employees

Short description

StreamUnlimited Engineering GmbH is a Vienna-based B2B provider of embedded audio streaming software (StreamSDK), certified hardware modules, and engineering services that helps consumer audio, smart home, automotive, and IoT brands build connected streaming and voice products.

Ownership category

akta.pro rank

Product category

Embedded Audio Streaming Technology

NAICS

Audio and Video Equipment Manufacturing (334310)

SIC

Household Audio & Video Equipment (3651), Computer Communications Equipment (3576)

akta.pro primary industry

Music & Audio Streaming Platforms (BPAMAJAC)

akta.pro secondary industries

HiFi/Immersive & Premium Audio Streaming (MPAIACAD), Pro Audio Equipment (Mics, Interfaces, Mixers, Studio Monitors) (MPAIAJAB), Music Production Hardware (Synthesizers, Drum Machines, Samplers, MIDI Controllers) (MPAIAJAE)

Keywords

• Embedded audio streaming
• Streaming software solutions
• Audio hardware modules
• Smart home IoT
• Voice assistant integration

Headquarters

HQ city

Vienna

HQ country

Austria

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure, Supply Chain

Revenue model

1. Software Licensing: StreamUnlimited licenses its StreamSDK software platform to audio and smart home manufacturers. The software includes streaming protocols, voice assistant integration, and IoT connectivity capabilities.
2. Hardware Modules Sales: Sale of embedded system on module hardware platforms (Stream205 OSM, Stream210, Stream1832, Stream1955, Stream1977) to manufacturers for integration into their audio products.
3. Engineering Services: Professional services including hardware development, software services, quality assurance & testing, AI integration, and EMC lab services to support product development and certification.
4. Pre-certified Solutions: White-label products and Stream2Go predefined solutions that bundle software and hardware for fast product release, allowing brands to jump-start their product launches.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

StreamUnlimited licenses StreamSDK, a comprehensive cross-platform Linux audio streaming software stack, and sells certified Embedded Linux hardware modules (Stream205 OSM, Stream210, Stream1832, Stream1955, Stream1977) that consumer electronics brands, smart home/IoT manufacturers, and CEDIA integrators embed into smart speakers, soundbars, headphones, streaming amplifiers, and connected devices. The company also bundles predefined Stream2Go solutions, StreamAmp reference designs, Voice LLM integration, white-label soundbars, and end-to-end engineering services covering hardware design, embedded software, QA/certification, AI integration, and EMC lab testing.

Product overview

StreamUnlimited offers a modular platform-plus-modules architecture centered on StreamSDK, the world's most comprehensive audio streaming software stack. The product portfolio includes: StreamSDK (core software platform), StreamAnalytics (cloud analytics), Stream2Go (predefined bundles), StreamAmp (high-end amplifier solution), and Voice LLM (generative AI integration). Hardware modules span from cost-optimized (Stream205 OSM, Stream210) through mid-range (Stream1832) to premium (Stream1955, Stream1977 Wi-Fi 7). White-label products include soundbars. Comprehensive services support the entire product lifecycle from hardware design through software development, QA/testing, AI integration, EMC certification, and app development.

Differentiator

Problem solved

Functional benefit

Brands

• StreamSDK: The most comprehensive audio streaming software solution worldwide.
• StreamAnalytics
• Stream2Go
• StreamAmp
• Stream210
• Stream1832
• Stream1955
• Stream205 OSM
• Stream1977

Products and services

• StreamSDK Cross-platform Linux-based audio streaming software stack powering smart speakers, soundbars, headphones, and premium audio systems with certified music service integrations (Spotify Connect, AirPlay, Google Cast, TIDAL Connect, Qobuz Connect, Roon), multiroom synchronization, voice assistant integration, and immersive audio format support. Sold to consumer audio brands, smart home OEMs, and CEDIA integrators.
• StreamAnalytics Cloud analytics platform for StreamSDK that collects pseudonymized device usage data (listening time per service, codec usage, power states) and provides usage insights to guide marketing strategies and product development. GDPR-compliant with EU Standard Contractual Clauses for Google Cloud processing.
• Stream2Go Predefined software and hardware bundles providing cost-effective, compact solutions for audio streaming and IoT products. Pre-certified for fastest time to market across diverse connected applications.
• StreamAmp Complete streaming amplifier solution combining streaming, DSP, and amplification that turns passive speakers into independent, high-end streaming devices. Includes StreamAmp Solo as a single-board variant.
• StreamAmp Solo High-end streaming amplifier offering premium streaming, powerful amplification, and flexible I/O on a single modular, pre-certified, production-ready platform.
• White-Label Products Pre-certified and production-ready white-label soundbars (Atmos Soundbar S-6064 and Stereo Soundbar S-2226) enabling brands to jump-start product release without full custom development.
• Stream205 OSM Cost-efficient certified Embedded Linux system on module for IoT and Industrial systems featuring dual-core ARM Cortex-A32 at 1.3GHz with Realtek RTL8730E SOC, 2Gb DDR3L memory, and 2Gb NAND flash in a compact 15x30mm form factor.
• Stream210 Cost-efficient certified Embedded Linux module for audio streaming and IoT, supporting Wi-Fi 6, Bluetooth LE Audio, Auracast, and up to 192kHz/24-bit audio for headphones in a compact 25.4x27.5mm form factor.
• Stream1832 Certified Embedded Linux hardware module for audio streaming and IoT featuring quad-core ARM Cortex-A53 up to 1.5GHz with Amlogic A113 SOC, 4Gb DDR3L memory, and 4Gb NAND flash in a 31x40mm form factor.
• Stream1955 Premium certified Embedded Linux module for bit-accurate and immersive audio streaming featuring quad-core ARM Cortex-A53 up to 1.8GHz with NXP i.MX 8M Mini SOC, 8Gb DDR4 memory, and 32Gb eMMC flash in a 34x47mm form factor. Supports Dolby Atmos and high-resolution audio up to 768kHz PCM and DSD512.
• Stream1977 Premium certified Embedded Linux Wi-Fi 7 module for bit-accurate, low-latency immersive streaming and in-room audio distribution.
• Voice LLM Integration StreamSDK-based modular integration that brings customizable Voice LLM intelligence to smart audio products, connecting to commercial cloud LLMs (Google Gemini, OpenAI ChatGPT) or proprietary/multi-modal models for conversational voice agents with independently replaceable STT, LLM, and TTS components.
• StreamSDK Control App Companion iOS and Android app allowing seamless connectivity with major music services for device control and setup. Available on the Apple App Store and Google Play, with additional app integration options including white-label apps, custom development, source code licensing, and StreamAPI integration.
• Hardware Development Services Complete turnkey hardware development services from concept to production including system architecture, schematic and PCB design, prototype production, EMC pre-certification, wireless optimization, and mass production support.
• Software Services Embedded software development services including Embedded Linux integration, kernel development, Yocto builds, MCU firmware, and C/C++ programming expertise for low-level software and lifecycle maintenance.
• Quality Assurance & Testing Quality assurance through manual testing, automated systems, and certification support for Spotify Connect, AirPlay 2, Google Cast, Roon, and TIDAL Connect, including music service pre-certification validation.
• AI Integration Services Integration of advanced machine learning and AI capabilities directly into embedded hardware with on-device processing for instant responsiveness, offering edge, hybrid, or cloud AI integration options.
• EMC Lab Services EMC pre-certification and quality assurance testing services in Vienna using shielded room, anechoic chamber, ESD test bench, and mains test bench, available for rent on hourly basis.
• Evaluation Kits Development kits to speed up the development of connected products, enabling evaluation of StreamUnlimited technology before full integration.

Quantifiable outcome

• Time-to-market acceleration through pre-certified solutions and Stream2Go bundles
• +3 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration24 records

AI capability9 records

Feature8 records

Partnerships

25 partnerships are on record, tiered core and minor.

• Bose CorporationcoreStrategic or Co-development Partner · 9 June 2026Bose Corporation acquired StreamUnlimited Engineering GmbH on June 9, 2026. StreamUnlimited became part of Bose's Audio Technology business. The acquisition provides Bose with software infrastructure for connected audio products and enables StreamUnlimited to continue supporting existing and new customers while extending into new markets. Bose gains foundation to scale its 'Sound by Bose' licensing strategy into third-party products.
• AudivominorImplementation/ SI/ Consulting PartnerDevelopment partner providing implementation and integration support services for StreamUnlimited solutions.
• JUSST engineeringminorImplementation/ SI/ Consulting PartnerDevelopment partner providing implementation and integration support services for StreamUnlimited solutions.
• NXP SemiconductorscoreTechnology or IntegrationStreamUnlimited partnered with NXP for the Stream210 Wi-Fi module using NXP Trimension UWB technology for automatic speaker mapping in immersive audio systems. Also uses NXP i.MX 8M Mini processor in Stream1955 premium module.
• Dolby LaboratoriescoreTechnology or IntegrationStreamUnlimited integrated Dolby Atmos FlexConnect technology into its streaming audio reference system at CES 2026, enabling flexible speaker placement and automatic room-optimized playback for immersive home audio.
• Samsung SmartThingscoreTechnology or IntegrationStreamUnlimited supports Samsung SmartThings protocol in its IoT and smart home solutions, enabling device control through SmartThings ecosystem.
• Control4coreTechnology or IntegrationStreamUnlimited supports Control4 home automation protocol for CEDIA integrator solutions, enabling integration with Control4 control systems.
• CrestroncoreTechnology or IntegrationStreamUnlimited supports Crestron automation platform for CEDIA integrator solutions, enabling integration with Crestron control systems.
• Dante/AES67coreTechnology or IntegrationStreamUnlimited supports AES67 audio-over-IP interoperability for multiroom and in-room audio distribution, supporting applications from premium residential setups to professional audio environments.
• Google (Gemini)coreTechnology or IntegrationStreamUnlimited's Voice LLM Agent Integration platform supports Google Gemini AI model, allowing brands to integrate generative AI capabilities into consumer audio devices.
• OpenAI (ChatGPT)coreTechnology or IntegrationStreamUnlimited's Voice LLM Agent Integration platform supports OpenAI ChatGPT AI model, providing flexibility in AI backend selection for audio products.
• Bluetooth Special Interest GroupcoreTechnology or IntegrationStreamUnlimited is an active member of the Bluetooth SIG, participating in standards development and maintaining certified Bluetooth implementations.
• Wi-Fi AlliancecoreTechnology or IntegrationStreamUnlimited maintains certified Wi-Fi implementations and is an active member of the Wi-Fi Alliance for standards alignment.
• Connectivity Standards Alliance (CSA)coreTechnology or IntegrationStreamUnlimited participates in the Connectivity Standards Alliance for Matter standard development and implementation.
• Consumer Technology Association (CTA)coreTechnology or IntegrationStreamUnlimited participates in CTA initiatives and CES trade show participation as a member company.
• Spotify ConnectcoreTechnology or IntegrationStreamUnlimited provides certified Spotify Connect integration through StreamSDK, enabling Spotify streaming on connected audio devices.
• Google CastcoreTechnology or IntegrationStreamUnlimited provides certified Google Cast integration through StreamSDK for audio streaming from Android and Chrome devices.
• AirPlay Audio (Apple)coreTechnology or IntegrationStreamUnlimited provides certified AirPlay Audio integration through StreamSDK for Apple device streaming.
• TIDAL ConnectcoreTechnology or IntegrationStreamUnlimited provides certified TIDAL Connect integration through StreamSDK for high-fidelity audio streaming.
• Qobuz ConnectcoreTechnology or IntegrationStreamUnlimited provides certified Qobuz Connect integration through StreamSDK for high-resolution audio streaming.
• Amazon MusiccoreTechnology or IntegrationStreamUnlimited supports Amazon Music streaming integration through StreamSDK.
• UPnP/DLNAcoreTechnology or IntegrationStreamUnlimited supports UPnP/DLNA protocol for local content streaming from network storage devices.
• RooncoreTechnology or IntegrationStreamUnlimited supports Roon multi-room audio platform for high-end audio streaming and management.
• Amazon Alexa Voice ServicecoreTechnology or IntegrationStreamUnlimited was recognized as an Alexa Voice Service Solution Provider, enabling development of advanced voice-enabled devices with seamless Amazon Alexa integration.
• Google AssistantcoreTechnology or IntegrationStreamUnlimited launched the first quad-core hardware module designed to meet latest Google Assistant product requirements, enabling advanced voice control and enhanced smart device performance.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Linkplay Technology: China- and US-based provider of embedded Wi-Fi/Bluetooth audio modules and streaming software platforms for OEM/ODM audio brands. Directly comparable business model to StreamUnlimited, licensing streaming stacks and modules to consumer audio manufacturers.
• BluOS (Lenbrook Industries): Multi-room high-resolution audio streaming platform licensed to premium audio brands (NAD, Bluesound, PSB, DALI). Direct peer in OEM-focused high-fidelity streaming software with similar pre-certification model.
• DSP Concepts: Audio development platform (Audio Weaver) used by OEMs to build and tune audio products. Comparable as a software-platform vendor serving automotive, consumer, and IoT audio OEMs with development tools and embedded audio IP.

Emerging players

• Volumio: Open-source audio streamer OS with OEM/presonalization offerings. Comparable in the audiophile and high-end streaming space, though smaller in scale and more community-rooted than StreamUnlimited's enterprise B2B platform.
• Syng: Spatial audio hardware/software company bringing immersive audio to consumer and pro use cases. Comparable in the immersive audio (Dolby Atmos-style) category where StreamUnlimited is investing via Dolby Atmos FlexConnect integration.

Broad incumbents

• Qualcomm Technologies: Major SoC vendor whose audio-focused platforms (e.g., QCS series) integrate streaming, voice, and connectivity stacks that compete directly with embedded streaming software vendors for OEM design wins.
• Realtek Semiconductor: Broadline semiconductor vendor whose audio SoCs (used in StreamUnlimited's Stream205 OSM) increasingly embed networking and streaming functionality. A chip-vendor incumbent whose reference designs can disintermediate streaming software specialists.
• Sonos: Vertically integrated consumer audio brand whose proprietary multi-room streaming stack competes at the application layer with platforms StreamUnlimited enables. A potential downstream OEM customer historically, and an incumbent in the multi-room audio category.

Others

• NXP Semiconductors: Strategic silicon partner supplying Trimension UWB and i.MX 8M Mini SoCs for StreamUnlimited's premium modules. Comparable as an enabling ecosystem participant whose roadmap decisions shape StreamUnlimited's module strategy.
• MQA (Lenbrook / Meridian Audio ecosystem): High-resolution audio codec and technology licensor deployed across audiophile hardware. Comparable as an audio-technology IP licensor serving the premium streaming hardware category, though focused on codec rather than full streaming stack.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/streamunlimited

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about StreamUnlimited