STMicroelectronics STA339BWS13TR 6ch Audio Amplifier, QFN48 Package for Home & Consumer Electronics

STMicroelectronics STA339BWS13TR 6ch Audio Amplifier Overview for Home Theater & Consumer Audio

The STMicroelectronics STA339BWS13TR is a high-channel, high-clarity 6-channel (6ch) audio power amplifier-engineered for B2B applications demanding immersive surround sound, energy efficiency, and compact design. Targeted at Home Appliances (5.1/6.1-channel home theater systems, premium smart speakers), Consumer Electronics (multi-speaker soundbars, AV receivers), and IoT smart home audio hubs, it integrates critical features (6x18W output, 95dB signal-to-noise ratio SNR, 2.1W idle power, I2C audio control, integrated overload/thermal protection) to eliminate external audio controllers and simplify multi-speaker system design. With high-efficiency Class D amplification, it balances powerful, distortion-free surround sound with minimal energy waste-ideal for engineers prioritizing channel count, sound clarity, and space efficiency in high-end home audio devices.

As a flagship in STMicroelectronics?? multi-channel audio lineup-a series trusted by 160,000+ developers in home theater and consumer tech sectors-it meets strict quality and compliance benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance for consumer devices, and 5,200+ hours of reliability testing (including channel separation, thermal stress, and audio distortion validation). Senior engineers at a leading home theater brand endorse it, noting: ??This amplifier powers our 5.1-channel soundbars-95dB SNR keeps dialogue crisp, and 2.1W idle power cuts energy costs. It??s helped us hit 99.95% device uptime and 94% customer satisfaction.?? For more multi-channel audio amplifiers and consumer electronics components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics STA339BWS13TR

Key Technical Features of STA339BWS13TR Audio Amplifier

• 6x18W 6ch output: Enables surround sound. A home theater engineer reported: ??Powers 5.1 systems (front left/right, center, rear left/right, subwoofer)-users say immersion improved by 45% vs. 2ch setups.??
• 95dB SNR: Ensures clarity. A soundbar designer noted: ??Eliminates fridge/hvac hum-even quiet movie scenes stay clean, cutting ??audio noise?? complaints by 50%.??
• 2.1W idle power: Saves energy. A home audio brand confirmed: ??Cuts 5.1 system energy use by 40%-saves $4 per unit yearly, totaling $40,000 for 10,000 devices.??
• QFN48 7mmx7mm package: Saves space. A compact soundbar firm shared: ??Fits in 42% smaller 5.1 soundbars-no custom PCBs, cutting design costs by $1.60 per unit and production time by 22%.??
• I2C control: Simplifies tuning. A consumer tech engineer explained: ??End users adjust channel levels via app-setup time dropped from 20 mins to 14 mins, boosting satisfaction by 38%.??

Advantages of STA339BWS13TR vs. Typical Alternatives

Compared to 2ch/3ch audio amplifiers, high-idle-power multi-channel amplifiers, and large-package amplifiers, this 6ch amplifier solves critical B2B surround sound, energy, and space pain points-backed by real customer feedback:

1. More immersive than 2ch/3ch amplifiers: 2ch/3ch amplifiers can??t power 5.1/6.1 surround sound systems, leaving home theaters with flat, non-directional audio. The 6ch design of this amplifier fixes this. A home theater brand said: ??Our old 3ch soundbar had users complaining about ??no rear audio??-this 6ch model powers rear speakers, making movies feel ??theatrical??. Customer immersion ratings rose from 3.6/5 to 4.7/5, and sales increased by 37%.??

2. Lower idle power than high-idle-power multi-channel amplifiers: High-idle-power multi-channel amplifiers (6.5W idle) waste energy in always-on 5.1 systems, increasing user electricity bills. The 2.1W idle power of this amplifier fixes this. A soundbar firm confirmed: ??Our old 6.5W idle 5.1 system cost users $10/year-this model costs $6. We marketed the $4/year savings, and sales jumped by 32%. For 10,000 units, we save customers $40,000 yearly, building brand loyalty.??

3. Smaller package than large-package multi-channel amplifiers: Large-package multi-channel amplifiers (DIP40, 18mm x 10mm) can??t fit in compact 5.1 soundbars (??12mm thick), forcing bulky designs that don??t fit modern living spaces. The QFN48 7mmx7mm package of this amplifier eliminates this. A compact soundbar brand shared: ??Our old DIP40 5.1 soundbar was 18mm thick-this QFN48 model is 10mm, fitting under slim TVs. We sold 45% more units, and retailers added our soundbars to ??space-saving?? displays, increasing visibility.??

Typical Applications of STMicroelectronics STA339BWS13TR

This 6ch audio amplifier excels in high-end home and consumer audio B2B designs-proven in these key use cases:

• Home Appliances (5.1-Channel Home Theater Systems): Powers 6 speakers for surround sound, 95dB SNR ensures clarity. A home theater brand confirmed: ??System uptime at 99.95%, customer immersion ratings at 4.7/5.??
• Consumer Electronics (Premium 5.1 Soundbars): Delivers compact surround sound, QFN48 package fits slim designs. A consumer brand reported: ??Soundbar thickness reduced by 42%, sales up by 37%.??
• Consumer Electronics (AV Receivers): Drives multi-room audio, I2C control simplifies app-based tuning. An AV brand noted: ??Receiver setup time cut by 30%, ??difficulty complaints?? down by 45%.??
• Home Appliances (High-End Smart Speakers): Powers 6-speaker smart hubs, 2.1W idle power saves energy. A home tech firm shared: ??Smart hub energy use cut by 40%, user electricity savings of $4/year per unit.??
• Internet of Things (IoT) Smart Home Audio Hubs: Syncs 6 speakers across rooms, integrated protection prevents damage. An IoT brand confirmed: ??Hub failure rate down by 1.3%, warranty costs cut by $15,000 annually.??

Frequently Asked Questions (FAQ) About STMicroelectronics STA339BWS13TR

Why is 6ch design better than 2ch/3ch for 5.1 home theater systems?

5.1 systems need 6 channels (front left/right, center, rear left/right, subwoofer)-2ch/3ch amplifiers can??t power all, leaving rear speakers unused and audio flat. 6ch design fixes this. A home theater engineer said: ??Our old 3ch system left rear speakers unpowered-users said movies felt ??flat??. This 6ch model activates all speakers, and immersion ratings rose by 30%. We now outsell 3ch systems 2:1.??

How does 2.1W idle power benefit always-on 5.1 surround sound systems?

Always-on 5.1 systems use power 24/7-high idle power (6.5W) adds $10/year to bills. 2.1W cuts this to $6, saving $4/year. A soundbar brand said: ??We calculated savings and printed it on packaging-sales up 32%. Users also appreciate lower energy use, with 82% saying ??savings mattered?? when buying. For 10k units, we save customers $40k yearly.??

What value does 95dB SNR add for home audio in noisy environments?

Homes have fridge, HVAC, and WiFi noise-low SNR (85dB) lets this seep in, ruining quiet scenes. 95dB blocks it. A soundbar designer said: ??Our old 85dB SNR soundbar had users turning up volume to mask hum-this 95dB model keeps audio clean at low levels. Noise complaints dropped by 50%, and our soundbar??s ??clarity?? rating rose from 4.0/5 to 4.8/5.??

How does the QFN48 package help compact 5.1 soundbars?

Compact 5.1 soundbars need to fit under slim TVs (??12mm thick)-large packages (DIP40, 18mmx10mm) force 18mm-thick designs that don??t fit. QFN48 (7mmx7mm) fits 10mm thickness. A soundbar firm said: ??Our old DIP40 soundbar was 18mm-this QFN48 model is 10mm, fitting 90% of slim TVs. Sales up 45%, and retailers now feature our soundbars in ??space-saving?? sections.??

Why is I2C control important for end users of multi-channel audio systems?

Multi-channel systems need channel level tuning (e.g., boosting rear speakers)-without I2C, users need physical knobs, which are hard to access. I2C lets app-based tuning. A consumer tech brand said: ??Our old system needed knob adjustments-this model uses app control. Setup time dropped from 20 to 14 mins, and 91% of users said ??tuning was easy??. Satisfaction rose by 38%.??