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 Home Outdoor Passive Speakers/Subwoofer Powered Subwoofer

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 Home Outdoor Passive Speakers/Subwoofer Powered Subwoofer

Product ID: 90732501

Details

Item dimensions L x W x H
5.2 x 4.72 x
Manufacturer
Fosi Audio
Maximum Supply Voltage
24 Volts (DC)
Minimum Supply Voltage
24 Volts (DC)
Voltage
230 Volts

📶Bluetooth 5.0 with 50ft range

🔊200W max output power

🎚️Adjustable sub volume & frequency

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€ 197.70

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Description

🎧 Elevate your sound game—because your space deserves more than just noise!

NEXT GEN BLUETOOTH 5 0 - Seamless wireless streaming with extended 50-foot range for uninterrupted audio freedom.
PRECISION BASS CONTROL - Fine-tune your subwoofer’s volume and frequency for a custom Hi-Fi experience tailored to your space.
COMPACT STYLISH DESIGN - Sleek, mini form factor fits effortlessly in any setup—home or outdoor—without clutter.
ADVANCED TI AMPLIFIER CHIPS - Texas Instruments TPA3116D2 ensures high efficiency, crystal-clear sound, and minimal interference.
POWERFUL 2 1 CHANNEL OUTPUT - 50W x2 + 100W dedicated subwoofer channel delivers immersive, room-filling sound.

The Fosi Audio BT30D is a compact 2.1 channel Class D amplifier featuring Bluetooth 5.0 connectivity, delivering up to 200 watts of power (50W per stereo channel plus 100W for subwoofer). Equipped with Texas Instruments TPA3116D2 chips, it offers high-efficiency, low-distortion audio with adjustable bass controls. Its versatile inputs support both Bluetooth and RCA, making it ideal for driving passive speakers and subwoofers in home or outdoor environments. With a sleek design and stable wireless range up to 50 feet, it’s a perfect blend of power, precision, and convenience for audiophiles and modern living spaces.

Specifications

ASIN	B07K7NJ4QN
Best Sellers Rank	#13,910 in Electronics ( See Top 100 in Electronics ) #64 in Audio Component Amplifiers
Brand	Fosi Audio
Customer Reviews	4.4 4.4 out of 5 stars (2,945)
Item Weight	1.1 Kilograms
Manufacturer	Fosi Audio
Mfr Part Number	BT30D
Model Number	BT30D
Unit Count	1.0 Count
Warranty Description	18-month manufacturer

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