Nobsound NS-03G User manual

Brand: Nobsound

Model: NS-03G

Category: Portable speakers

Type: User manual

Nobsound NS-03G is a compact and powerful amplifier designed to enhance your audio experience. With its versatile connectivity options, including 3.5mm AUX input, banana speaker jacks, and Bluetooth, it seamlessly integrates with various audio sources such as TVs, CD players, and smartphones. Experience crystal-clear sound and deep bass with its high output power of 100W (24V, 4Ω load) and wide frequency response ranging from 20Hz to 20KHz. Enjoy distortion-free audio with a THD of ≤0.01% (1KHz) and a high SNR of ≥118dB.

1. Before turning on the amp, please make sure the volume knob

at the leftmost end, avoid high volume ( high output power )

damaging your speakers.

2. Default OPTIONAL 19V power supply, whose output power is

enough to drive most home speakers. If you buy the version

without power supply or want higher output power, please

prepare high-quality power supply by yourself. Powered by 24V

power supply(4Ω load), the actual output power can reach 100W.

NS-03G 100W Mono Channel

Subwoofer /Full Frequency Power Amplifier

NOTICE

1. Please connect power adapter to NS-03G firstly and then

plug the power cord to the socket.

2. Connect audio device such as TV, CD player to the amp’s

input with high-quality 3.5mm AUX cable, and connect

proper passive speakers or subwoofers to amp’s output.

3. Rotate the volume knob from the leftmost end, the LED

indicator will light up, then you can rotate the volume

knob to get proper volume and enjoy HiFi music.

HOW TO USE

PARAMETERS

Model

Version

Number of channel

Audio input

Audio output

Max output power

Power amp chip

Op amp

Speaker impedance

Matched L/R Speakers

Matched subwoofer

Frequency response

Input sensitivity

THD

SNR

Working voltage

Default power supply(optoinal)

Dimensions(W*D*H)

Package dimensions(W*D*H)

Net weight

Package weight

Mono

3.5mm AUX

Banana speaker jacks

100W(24V, 4Ω load)

TPA3116D2

TL072

4Ω-8Ω

≤ 280mV

≤ 0.01% (1KHz)

≥ 118dB

DC 12V-24V(5.5mm / 2.5mm)

19V

69*88*33mm / 2.72*3.46*1.30in

150*150*50mm / 5.91*5.91*1.97in

190g / 0.42lb

310g / 0.68lb

NS-03G SUB

Subwoofer

NS-03G FR

Full Frequency

20Hz-20KHz

3-10 inch 10-200W

5-10 inch 30-150W

20Hz-180Hz

Address: Room 1329, Wang Cheng Building, Long Guan

street, Long Hua new District, Shenzhen, Guang

Dong, China

Contact: LIU CHENXI

Tel: +86-18570015672

Email: [email protected]

CONTACT INFORMATION

TROUBLE-SHOOTING MANUAL

3 4

NS-03G SUB Subwoofer

NS-03G FR Full Frequency

Problems

Cannot start up

Exceed rated

output power

Power switch isn't

pressed or toggled

Audio source isn't

connected or mute

Use another power

adapter to check out

Connect power

adapter or restart

Power adapter isn't

connected

Power adapter

is broken

Connect audio source

or turn up volume

Check output or change

matched speaker

Change high-quality

power adapter

Change shielded audio/

speaker cables

Use your player of

mobile phone to test

Change high-quality

matched speakers

Search correct

Blueototh Name

Disconnect all device a

nd turn off Bluetooth

Turn down the volume

of amp/preamp/source

Disconnect all device

and turn off Bluetooth

Volume of amp is

adjusted to minimum

Output shorted or

speaker isn't matched

Search and click wrong

Bluetooth Name

Bluetooth has been

paired by other device

Bluetooth input is prior

and has been paired

Output power

exceeds rated output

Press or toggle

power switch

Bluetooth

can't connect

Stop working

after a while

LINE input

can't connect

Distortion

Noise

No sound output

SolutionsReasons

Turn up volume Choose

correct input mode

Poor power adapter

Poor cables

Poor audio source

Poor speakers

Select incorrect

input mode

Turn down the

volume of amp

Nobsound NS-03G User manual

Brand: Nobsound

Model: NS-03G

Category: Portable speakers

Type: User manual

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Nobsound NS-03G User manual

Nobsound NS-03G User manual

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