What are the bass, treble, and subwoofer frequency ranges of the BT30D?

Bass and treble frequency range: 20Hz - 20kHz (±12dB) Subwoofer frequency range: 20Hz - 300Hz.

Does the passive speaker output provide full-range signal on BT30D?

The passive speaker outputs send a full-range signal to the speakers; it is unable to remove the low-end frequencies. A bass knob will not change the gain on your amplifier, but the bass level.

What type of port is the sub out on BT30D?

The sub out terminal on the back of the BT30D is an RCA output.

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Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Integrated Amp 50 Watt x2+100 Watt for Passive Speakers/Subwoofer Powered

Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Integrated Amp 50 Watt x2+100 Watt for Passive Speakers/Subwoofer Powered

Product ID: 105057373

Details

Item dimensions L x W x H
13.2 x 12 x
Manufacturer
Fosi Audio
Maximum supply voltage
24 Volts
Minimum supply voltage
24 Volts (DC)
Voltage
230 Volts

📶Bluetooth 5.0 with 50ft range

🔊200W max power output

🎚️Adjustable bass, treble & sub controls

Description

🎧 Elevate your audio game with power and precision — don’t miss out on sonic perfection!

TAILOR YOUR SOUND - Customizable bass, treble, and subwoofer frequency controls for true Hi-Fi audio.
VERSATILE COMPATIBILITY - Supports Bluetooth and RCA inputs, effortlessly driving passive speakers and subs.
COMPACT STYLISH DESIGN - Sleek mini amp fits perfectly in any modern home office or living space.
POWERFUL 2 1 CHANNEL OUTPUT - 50W x2 + 100W subwoofer power delivers immersive, room-filling sound.
SEAMLESS BLUETOOTH 5 0 STREAMING - Enjoy stable wireless connectivity up to 50 feet with the latest devices.

The Fosi Audio BT30D is a compact 2.1 channel Class D amplifier featuring Bluetooth 5.0 for wireless streaming, delivering up to 200 watts of total power (50W x2 + 100W subwoofer). It offers versatile connectivity with Bluetooth and RCA inputs, plus adjustable bass, treble, and subwoofer controls to customize your listening experience. Ideal for powering passive speakers and subwoofers, this mini Hi-Fi amp combines high-performance Texas Instruments chips with a sleek design, perfect for modern home audio setups.

Specifications

ASIN	B07K7NJ4QN
Best Sellers Rank	5,610 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 4 in Hi-Fi Amplifiers
Box Contents	24V/4.5A power supply
Brand Name	Fosi Audio
Country of Origin	China
Customer Reviews	4.3 out of 5 stars 2,867 Reviews
Item Weight	1.1 Kilograms
Manufacturer	Fosi Audio
Manufacturer Part Number	BT30D
Model Number	BT30D
Number of Items	1
Product Warranty	24 months
Unit Count	1.0 count

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