2.1 Channel BL Digital Power Amplifier Module with Subwoofer Output High Low Bass Adjustment 100W+50W+50W High Fidelity Bluetooth 5.0 Audio Board

2.1 Channel BL Digital Power Amplifier Module with Subwoofer Output High Low Bass Adjustment 100W+50W+50W High Fidelity Bluetooth 5.0 Audio Board

$67.88

$67.88 $0.00

Description

SPECIFICATIONS

Application: Home Theater System, DIY Subwoofer, Active Speaker System, Soundbar DIY, Car Audio Modification, Karaoke System, Bookshelf Speakers

Bluetooth Version: 5

Brand Name: Wuzhi Audio

Certification: CE

Channel: 2.1 (Left + Right + Subwoofer)

Channels: 3 (2.1)

Control Method: Push button

Dimensions: 93 x 90 x 22mm

Feature: MT21 2.1 Channel Bluetooth Amplifier Board, 50Wx2 Stereo + 100W Subwoofer Output, Bluetooth 5.0 (15m Range), AUX + Bluetooth Dual Input, Independent Bass/Treble Tone Control, Wide Voltage DC 12-24V, Compatible with 4-8Ω 20-100W Speakers, 500mV Input Sensitivity, Reverse Polarity/Overheat/Overcurrent/Short Circuit Protection, Compact Size 93x90x22mm, High Fidelity Sound, Economical 2.1 Amplifier Solution

High-concerned chemical: none

Input Interface: Bluetooth 5.0, AUX 3.5mm

Label: 2.1 Channel Amplifier Board,Bluetooth Amplifier Module,Subwoofer Amplifier Board,100W Subwoofer Amplifier,50Wx2 Stereo Amplifier,MT21 Amplifier,DC 12-24V Amplifier,HiFi Audio Board,MT21 2.1 Channel Bluetooth Amp,50Wx2+100W Subwoofer Amp,Bass Treble Tone Control,Economical 2.1 Amplifier,AUX Bluetooth 2.1 Amp,12-24V Wide Voltage Amp,4-8Ω Speaker Amplifier,Budget HiFi Amplifier Board

Material: Metal,others

Maximum Power Per Channel: 50 W

Model: MT21

Model Number: ZK-MT21

Number of channels: 3

Origin: Mainland China

Output Power: 50W+50W+100W,50Wx2 (Stereo) + 100W (Subwoofer)

Package: Yes

Parts: Amplifier board

Power Supply: DC 12-24V / ≥5A

Protection: Reverse Polarity, Overheat, Overcurrent, Short Circuit

Speaker Impedance: 4-8Ω

Surround sound channel configuration: Others

Tone Control: Bass/Treble Independent Adjustment

Type: 2.1 Channel Bluetooth Amplifier Board

The MT21 2.1-channel Bluetooth 5.0 amplifier board delivers powerful 100W subwoofer output and 50W×2 stereo output. Features independent bass and treble tone control for personalized sound, dual input modes (Bluetooth 5.0 + AUX), and wide voltage DC 12-24V support. Built-in reverse polarity, overheat, overcurrent, and short circuit protection ensures safe operation. Perfect for home theater systems, DIY subwoofer projects, soundbars, and karaoke setups.

Product Highlights:
1. Made with high-quality materials for reliable performance.
2. High cost-performance ratio: 100W+50W+50W Hi-Fi Bluetooth amplifier. Features a mature, stable design and pure sound quality—an economical choice for a 2.1-channel system!
3. Supports subwoofer + left/right channels; includes subwoofer output and treble/bass controls for an impressive, immersive audio experience.
4. Exquisite design and easy to use.
5. Wide range of applications.

Specifications:
Product Name: 2.1-Channel Bluetooth Audio Amplifier Module
Model: MT21
Bluetooth Version: 5.0 (unobstructed range: 15 meters)
Input Sensitivity: 500mV
Input Method: AUX + Bluetooth
Channels: 2.1
Amplifier Chip: Domestic amplifier chip
Power Supply: DC 12–24V / 5A or higher (do not connect to 24V battery packs)
Compatible Speakers: 20–100W, 4–8Ω
Output Power: Left/Right Channels <50W; Subwoofer <100W
Protection Mechanisms: Reverse polarity, overheating, overcurrent, and short-circuit protection
Dimensions: 93mm x 90mm x 22mm
Weight: Approx. 185g (including packaging)

Note:
Sufficient output power is achieved only when the audio input signal and power supply voltage/current are adequate!
Higher supply voltage and lower speaker impedance result in higher output power! Please ensure the power supply's rating exceeds the amplifier's actual operating power!

Package Contents:
Amplifier Board x1