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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BT30D

Product ID: 322368099

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

🎚️Bass/Treble & Sub volume control

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HK$1883

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Description

🎧 Elevate your sound game—unleash powerful wireless audio with style and precision!

PRECISION AUDIO TUNING - Customizable bass, treble, and subwoofer frequency controls let you craft your perfect soundscape.
COMPACT YET MIGHTY DESIGN - Sleek mini Class D integrated amp fits effortlessly into any space without compromising power.
TRUSTED QUALITY SUPPORT - Equipped with Texas Instruments chips and backed by a 24-month warranty for worry-free listening.
POWERFUL 2 1 CHANNEL AMPLIFICATION - 50W x2 + 100W subwoofer output delivers immersive Hi-Fi sound for home or outdoor setups.
NEXT GEN BLUETOOTH 5 0 CONNECTIVITY - Seamlessly stream high-quality audio up to 50 feet from any modern device—no wires, no limits.

The Fosi Audio BT30D is a compact 2.1 channel Class D amplifier featuring Bluetooth 5.0 for stable wireless streaming up to 50 feet. It delivers a robust 200W total output (50W per stereo channel plus 100W subwoofer) powered by dual Texas Instruments TPA3116D2 chips. Designed for home or outdoor passive speaker setups, it offers customizable bass, treble, and subwoofer controls to ensure premium Hi-Fi sound quality. The package includes a 24V/4.5A power supply and a 24-month warranty, making it a reliable choice for audiophiles seeking powerful, flexible audio amplification.

Specifications

ASIN	B07K7NJ4QN
Best Sellers Rank	#33,885 in Electronics ( See Top 100 in Electronics ) #79 in Home Audio Amplifiers
Brand	Fosi Audio
Customer Reviews	4.4 4.4 out of 5 stars (2,818)
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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