Quantity : 1
High-concerned chemical : none
Package : SOP
Supply Voltage : 5V
Type : Module
Operating Temperature : 15-35C
Origin : Mainland China
Condition : New
Type C Charging Amplifier : Lithium Battery Boost Amplifier
TWS Bluetooth Amplifier : APP Tuning Amplifier Board
3S Battery Charging Boost Module : DIY Speaker Amplifier Module
Low Power Bluetooth Amplifier : Auto Shutdown Audio Amplifier
Product Features:
1.2.1 Channel High-Power Amplifier, 2×22W + 43W Bass, Compatible with Multiple Speaker Models
2. Built-in 3S lithium battery charging with boost, compatible with standard mobile phone chargers via Type-C interface
3. Supports APP tuning customization, TWS interconnection, and adjustable auto-shutdown after 15 minutes
4. Gold-plated process with low power consumption, Bluetooth long-range transmission, and charging indicator light
5. Suitable for DIY portable speakers, desktop audio systems, and outdoor mobile speaker modifications
Product Parameters:
Bluetooth Name: LF
Charging requirements: A standard mobile phone charger is sufficient
Charging power: 1.7A±0.3A/7-10W (fully charged voltage 12.55±0.05V)
Power consumption in shutdown and standby mode: <1mA
Power-on without color lights, standby power consumption: <120mA
Hybrid channel: Suitable for mid-to-low range speaker impedance, must exceed 3Ω, recommended for 3-5.25-inch speakers with 30-50W power
This store's 3000mAh battery: >8 hours (approximately half light music, half DJ, half volume. Note: Battery life varies due to differences in battery cells and wiring losses. For reference only.)
This store's 3000mAh battery: >3 hours (approximately half light music and half DJ, full volume endurance reference: due to variations in battery cells and wire loss, for reference only)
Charging Indicator: Lights up during normal charging and turns off when fully charged. (Charging is possible during both power on and off.)
Dimensions: 79±0.5mm * 53±0.5mm * 16±0.5mm
Special Note:
Single motherboard TYPE-C power supply: The TYPE-C power supply alone cannot function properly
Motherboard power supply current: The battery must exceed 12A; the power supply must exceed 14A (this is the current delivered to the motherboard, note that the wire gauge must be larger than 20# with a length of 200MM)
Charging temperature: Temperature rise during charging 15°C--35°C (normal heat, please refrain from taking photos if sensitive. Note: May feel warm to the touch by default.)
Playing temperature: The maximum volume temperature rise exceeds 60°C (can operate normally, please refrain from filming if sensitive, default description may feel hot)
Battery Level Display: The battery level display is for reference only. Playing at high volume may cause voltage drops and refresh delays, leading to abnormal variations in the displayed battery level exceeding 20%.
No Technical Guidance: DIY products come without technical instructions. Please purchase based on your own knowledge
Bluetooth signal: In non-metallic enclosures, the straight-line distance must exceed 20 meters; in metal enclosures, TWS connection and Bluetooth connection cannot be guaranteed
Auto Shutdown: Automatically shuts down after 15 minutes of no connection. The setting can be d in the APP
TWS requirements:
The Bluetooth names of the two motherboards must be identical
2. Try to disable algorithms to ensure computing power.
3. Occasional lighting effects may lag in TWS mode. Please refrain from purchase if this bothers you
Product List:
1X power amplifier board
label:yes
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