Can I use as a receiver using my passive Bose 161 speakers as external speakers?

Yes it can with passive speakers it is a good amplifier for the price. I use it to power two passive Dolby height speakers on my 9.2 Dolby Atmos Denon AV Reciever.

Does this need a pre-amp, or can it be connected to a DAC?

I've got this connected to a Project Pre Box S2 DAC which is connected to my PCs. This works well for me.

which model would be best for AE 100 series, max 75w, min impedance 6 ohms plugged into an applemac mini

TPA3116 - only 19V power supply, so less than 50w into 6 ohm. - and no tone control. TB10A probably better, esp if you need tone control. The 24v power supply gives more ability to turn up the bass. Allan Hendry. MonoPulse.

Anyone have problems with background noise from the v1.0g. i play a lot of classical as well as rock. i was hoping for complete silence when its on.

No problem with mine regarding noise. I would check your cables, try a different source-maybe your unit has a fault?

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Fosi Audio V1.0B 2 Channel Stereo Audio Amplifier Receiver Mini Hi-Fi Class D Integrated Amp for Speakers 50W x 2 + 19V UK Power Supply

Product ID: 67149581

Details

Item dimensions L x W x H
12.7 x 7.6 x
Manufacturer
Fosi Audio
Maximum supply voltage
19 Volts
Minimum supply voltage
12 Volts (DC)
Voltage
110 Volts (AC)

⚡Class D high-efficiency amp

🔊50W per channel power

🛡️Built-in speaker protection

Description

🎶 Small Size, Big Sound — Elevate Your Audio Game Now!

SILENT WHEN IDLE - Dead silent operation with no audible noise when not playing.
COMPACT POWERHOUSE - Delivers a robust 50W per channel in a sleek, space-saving chassis.
DURABLE RELIABLE - Solid aluminum body with built-in speaker protection for long-lasting performance.
CRYSTAL CLEAR AUDIO - Advanced TI TPA3116D2 chips ensure distortion-free, high-fidelity sound.
PLUG PLAY SIMPLICITY - Straightforward 2.0 channel setup compatible with 2-8 ohm passive speakers.

The V1.0B is a compact Class D amplifier powered by dual Texas Instruments TPA3116D2 chips, delivering 50W per channel with advanced oscillator and PLL circuitry to minimize interference. Its solid aluminum chassis houses a built-in speaker protection circuit, ensuring clear, distortion-free sound with strong mids, highs, and bass. Designed for 2-8 ohm passive speakers, this mini amplifier offers high efficiency and silent idle operation, making it the perfect upgrade for professional-quality home audio in a sleek, space-saving form.

Specifications

ASIN	B06XZL2PQD
Best Sellers Rank	6,342 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 9 in Hi-Fi Amplifiers
Box Contents	19V 4.74A Power Supply
Brand Name	Fosi Audio
Customer Reviews	4.4 out of 5 stars 2,463 Reviews
Item Weight	499 g
Manufacturer	Fosi Audio
Manufacturer Part Number	V1.0
Model Number	V1.0B
Number of Items	1
Product Warranty	24 months
Unit Count	1.0 count

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