We require USB-powered sound modules with battery backup capability for integration in plush toys. Key specifications include:
1. Must play pre-recorded audio every hour
2. Requires USB power input with battery backup functionality
3. Target price around $1 per unit
4. Need clear audio quality with natural voice reproduction
5. Delivery required within 30 days

Looking for an active subwoofer amplifier module with 1200W power and 4ohm impedance. Please provide pricing based on different quantity tiers. Class D amplifier board preferred.

I require RF modules and RF power amplifiers with specific technical parameters:  

For RF Modules:  
- 50W output power  
- Frequency ranges: 1.5GHz (1550-1620MHz), 2.4GHz (2400-2500MHz), 5.8GHz (5725-5875MHz)  
- SMA connectors, 50 ohms impedance  
- 24VDC power supply  
- Compact dimensions (15×12×6cm) and 1.2kg weight  

For RF Power Amplifiers:  
- 50W output capacity  
- Matching frequency bands to corresponding modules  
- SMA connectivity  
- 24VDC input  

Need 1 unit for each frequency variant in both categories.  
Please provide technical compliance confirmation and commercial proposal.

I need an MP3 speaker module meeting these specifications:
- Power input: USB 5V (Micro-USB/Type-C)
- Media input: TF card or USB drive compatibility
- Auto-play function upon power activation
- Physical controls: Rocker power switch + volume knob
- 2W mono or 2×3W stereo amplifier
- Integrated speaker required
- Basic plastic enclosure (no custom molds)

Additional requirements:
- Immediate playback when connected to power with switch ON

Please provide:
1. Sample cost with shipping
2. Unit price for 100pcs MOQ
3. Lead time for samples and bulk production

 
Product Requirements:  
- DSP-2200 Audio DSP Module  
- Initial quantity: 1 unit for testing  
- Target price range: $40-$50/unit  

Usage & Future Plans:  
- Development stage for amplifier project  
- Potential bulk orders after successful testing  

Shipping Requirements:  
- Delivery destination: Brazil  
- Request shipping cost and time details  

Cooperation Expectations:  
- Prefer suppliers capable of providing:  
 1. Detailed product specifications  
 2. Minimum Order Quantity (MOQ) for future orders  
 3. Production lead times  
 4. Customization options (if applicable)  

Seeking multiple output switching power supply with 48V +15V -15V configuration for audio amplifier application.  
Key Requirements:  
- Output voltages: +48V, +15V and -15V  
- Quantity required: 2 units  
- Delivery location: Winter Park, Florida 32792  

Please provide:  
1. Technical specifications including load regulation and ripple noise  
2. Compliance certifications (UL/CE/RoHS)  
3. MOQ and unit pricing  
4. Production lead time  
5. Shipping options with estimated timeline

Ask for the price. Quantity: 1. Want to buy power amplifier module.

Need Professional Power amplifier, Speakers, Mixers

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