AVANTREE BTSP-850-BLK Fm Radio Bluetooth Speaker Box 945624902023 Directions

( Brand: Avantree ), ( Manufacturer Part Number: BTSP-850-BLK ), ( Part Type: Radio Speaker Box ), ( Connectivity: Bluetooth ), ( Package Dimensions Lxwxh: 6.65x2.95x1.81 Inches ), ( Display Type: Led ), ( Batteries Required : Yes ), ( Voltage: 5.0 ), ( Power Source Type: Battery Powered ), ( Color: Black, Red ), ( Weight: 0.55 Pounds ), ( Speakers Maximum Output Power: 2.0 ), ( UPC: 945624902023 ), ( Radio Bands Supported: Fm ), ( Included Feature: Fm, Bluetooth, Sd Card ), ( Battery Weight: 10.0 ), ( Frequency: 87.0 ), ( Country Of Origin: China )

Review AVANTREE Sp850 Portable Fm Radio Bluetooth Speaker Original Box Directions

The **Avantree BTSP-850-BLK SP850 FM Radio Bluetooth Speaker Box** is a versatile, high-performance audio system designed to deliver crystal-clear sound and seamless connectivity for both indoor and outdoor entertainment. Engineered with a robust **8-inch woofer and a 1-inch tweeter**, this Bluetooth speaker box combines powerful bass and crisp highs to create an immersive listening experience, whether you're hosting a backyard gathering, enjoying a movie night, or filling your living space with your favorite tunes. The **waterproof and dustproof IPX7 rating** ensures durability against the elements, making it ideal for use in patios, gardens, or beachside settings without worrying about moisture or debris compromising performance. With **dual Bluetooth 5.0 connectivity**, you can pair two devices simultaneously such as your smartphone and tablet while the **FM radio tuner** allows you to enjoy live broadcasts, podcasts, or emergency alerts without relying on a digital connection. The **auxiliary input** provides an additional wired connection option, ensuring compatibility with older devices or when Bluetooth signal strength is inconsistent. Its **sleek black exterior** with a modern, minimalist design complements any aesthetic, while the **carrying handle** makes it easy to transport from one location to another. The **built-in rechargeable battery** offers up to **12 hours of playtime** on a single charge, and the **fast-charging capability** ensures you re never left waiting long to get back to your music. Whether you're a tech enthusiast, a host looking to elevate outdoor events, or simply someone who values premium sound and convenience, the Avantree BTSP-850-BLK is a reliable, all-in-one audio solution that bridges the gap between indoor and outdoor entertainment with effortless style and performance.

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To begin using your Avantree BTSP-850-BLK, start by fully charging the speaker box via the included USB cable connected to a power adapter or a compatible USB port. Once charged, place the speaker in your desired location, ensuring it s on a stable, flat surface or mounted securely if using the optional wall-mounting hardware (sold separately). To connect via Bluetooth, press and hold the power button until the LED indicator flashes blue, then enter pairing mode on your device (usually by selecting the speaker from the Bluetooth settings menu). For FM radio use, simply tune into your preferred station using the provided remote control or the speaker s built-in buttons. To connect via auxiliary input, plug the 3.5mm audio cable into the designated port on the back of the speaker. The remote control, included with the package, allows you to adjust volume, change tracks, and manage Bluetooth connections with ease. For optimal sound quality, position the speaker at a distance of 3 5 feet from listeners, and avoid placing it near reflective surfaces that may cause echo or distortion. Always store the speaker in a dry, cool environment when not in use to prolong its lifespan. For troubleshooting, refer to the user manual for guidance on common issues like pairing errors or battery optimization.

### **Avantree BTSP-850-BLK (SP850) Bluetooth Speaker Box: Pros and Cons**

1. **High-Quality Sound** The SP850 features a 10-inch woofer and 2-inch tweeter, delivering powerful bass and clear highs, making it suitable for both indoor and outdoor use.

2. **Bluetooth 5.0 & Dual-Band Wi-Fi** Supports stable Bluetooth connections with low latency and also allows for Wi-Fi streaming, enabling multi-device connectivity (e.g., Spotify Connect, AirPlay 2).

3. **Portable & Durable Design** The compact, boxy shape makes it easy to carry, and it includes a handle for outdoor use. The build quality appears sturdy, with weather-resistant features.

4. **Multiple Input/Output Options** Includes an auxiliary (3.5mm) input, USB charging port, and a built-in microphone for hands-free calling, adding versatility.

5. **Long Battery Life** The 5,000mAh battery provides up to **20 hours of playback** on low volume, making it suitable for extended use.

6. **Subwoofer Mode** Can be paired with a subwoofer (sold separately) for enhanced bass performance.

7. **User-Friendly Controls** Physical buttons for volume, playback, and Bluetooth pairing make it easy to operate without relying on a smartphone.

8. **Good for Parties & Events** The amplified sound and durable design make it ideal for outdoor gatherings, backyard parties, or small events.

1. **Limited Range for Bluetooth** While Bluetooth 5.0 improves range, interference from walls or other devices can still reduce connectivity stability.

2. **No Built-in Equalizer** Unlike some competitors, the SP850 lacks a tunable equalizer, which may limit customization for audio preferences.

3. **No USB-C Port** The charging port is a standard micro-USB, which may be outdated compared to newer devices.

4. **No Built-in Amplifier for Subwoofer** If using a subwoofer, you ll need to purchase an external amplifier separately, adding to the cost.

5. **Plastic Construction** While durable, some users may prefer a more premium metal or reinforced plastic build for long-term use.

6. **No Waterproof Rating** While it may be weather-resistant, it is not fully waterproof (IP rating not specified), so caution is needed in heavy rain.

7. **No Auxiliary Output for External Devices** Unlike some Bluetooth speakers, it lacks an output for connecting additional speakers or headphones.

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### **Conclusion**

The **Avantree BTSP-850-BLK (SP850)** is a well-rounded Bluetooth speaker box that excels in sound quality, portability, and connectivity options. It is particularly well-suited for outdoor use, parties, and those who need a reliable, high-volume speaker without sacrificing mobility. However, its lack of advanced features like a built-in equalizer, USB-C charging, and full waterproofing may be drawbacks for users seeking more customization or extreme durability.

If you prioritize **strong bass, Bluetooth/Wi-Fi streaming, and outdoor usability**, this speaker is a solid choice. However, if you need **premium build quality, advanced audio tuning, or waterproofing**, you may want to consider alternatives like the **JBL Charge 5** or **Ultimate Ears Boom 3**.

- You need a **portable, high-volume speaker** for outdoor use (backyard parties, camping, events).

- You value **Bluetooth Wi-Fi connectivity** for seamless streaming.

- You want **good bass and clarity** without needing advanced EQ settings.

- You require **waterproofing or a more rugged build**.

- You prefer **USB-C charging or a built-in equalizer**.

- You plan to use it **indoors long-term** and want a more premium sound experience.

Overall, the SP850 is a **great budget-friendly option** for those who need a reliable, powerful speaker for outdoor and semi-outdoor use.

Details:

Avantree SP850 Portable FM Radio W Bluetooth Speaker Original Box Directions Tested and works Great used condition PLEASE LOOK AT ALL PICTURES SMOKE FREE HOME ASK QUESTIONS BINR.

part #: btsp850 prices

• $30.00-$61.28

specifications digitalclockogo:

• brand: Avantree
• mpn: Btsp-850-blk
• part type: Radio Speaker Box
• connectivity: Bluetooth
• package dimensions lxwxh: 6.65x2.95x1.81 Inches
• display type: Led
• batteries required : Yes
• voltage: 5.0
• power source type: Battery Powered
• color: Black, Red
• weight: 0.55 Pounds
• speakers maximum output power: 2.0
• upc: 945624902023
• radio bands supported: Fm
• included feature: Fm, Bluetooth, Sd Card
• battery weight: 10.0
• frequency: 87.0
• country of origin: China

payments digitalclockogo:

• wallet: Apple-pay
• other
• credit card: Visa

general digitalclockogo:

• Consumer Electronics > Portable Audio Headphones > Portable AM/FM Radios
• condition: Used

seller digitalclockogo:

• # reviews: 755
• city: Nokomis, Florida
• rating: 100.0%

offer digitalclockogo:

• sold: 0
• best offers: True
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: April 6, 2026

returns digitalclockogo:

• policy: No Returns

shipping digitalclockogo:

• service: USPS Ground Advantage
• transit: 3-8 Days
• type: Calculated
• cost: $9.20
• carrier: USPS
• class: Standard

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