Manufacturer | Nobsound |
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Place of Business | ShenZhen, GuangDong 518110,CN |
Item model number | 8541737971 |
Parcel Dimensions | 25.5 x 21.7 x 6.4 cm; 740 g |
ASIN | B07MR6YCQ1 |
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Nobsound G2 Subwoofer Power Amplifier Mini Mono SUB Amp 100W PBTL BTL Bridge Home Theater
Purchase options and add-ons
Voltage | 24 Volts (DC) |
Manufacturer | Nobsound |
Maximum supply voltage | 24 Volts |
Minimum supply voltage | 12 Volts |
Mounting type | Freestanding |
Brand | Douk Audio |
Number of channels | 1 |
Output power | 100 Watts |
Package type | Packaging box |
Specification met | CE |
About this item
- G2 can be used as a sub amp or a mono channel amp. It has a mode switcher which can change between SUB and PBLT modes conveniently. Equipped with 19V 4.74A high quality power supply.
- Applications: G2 can be used as a subwoofer power amplifier for passive subwoofers; G2 can be used as a mono amp to drive single channel. You can use two G2 to drive left and right channel separately, which are known as PBLT / BTL Bridge amp. Compared with normal 2.0CH amps, it can ensure totally no interference between two channels and can provide higher power.
- It has a gain setting which allows 4-level of output level setting (20/26/32/36 dB). It can keep the purity of the sound and avoid the resistor influence. Besides, it also has a bass cutoff frequency control knob.
- It adopts TI TPA3116 and NE5532 op-amp, which can offer 100W high power and can drive most home sub and mono speakers. Its optimized circuit can ensure totally no background noise. Besides, it also built-in speaker protection circuit and low pass bass filter.
- Prompt and courteous customer service. For any questions you have, please feel free to contact us on 鶹.
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Product information
Technical Details
Additional Information
鶹 Rank |
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Product details
- Is discontinued by manufacturer : No
- Parcel Dimensions : 25.5 x 21.7 x 6.4 cm; 740 g
- Date First Available : Jan. 10 2019
- Manufacturer : Nobsound
- Place of Business : ShenZhen, GuangDong 518110,CN
- ASIN : B07MR6YCQ1
- Item model number : 8541737971
- 鶹 Rank: #26,038 in Electronics (See Top 100 in Electronics)
- #99 in Audio Component Amplifiers
- Customer Reviews:
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This Item ![]() Nobsound G2 Subwoofer Power Amplifier Mini Mono SUB Amp 100W PBTL BTL Bridge Home Theater | Recommendations | ? | ? | ? | ? | |
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Price | -10%?$71.81$71.81 Was:?$79.79 | $129.99$129.99 | $112.99$112.99 | $136.99$136.99 | -10%?$98.99$98.99 Was:?$109.99 | $109.99$109.99 |
Delivery | Get it by Monday, Jun 16 | Get it by Monday, Jun 16 | Get it by Monday, Jun 16 | Get it by Monday, Jun 16 | Get it by Monday, Jun 16 | Get it by Monday, Jun 16 |
Customer ratings | ||||||
Sold by | Douk Audio Direct | Yima Top | Yima Top | Yima Top | Douk Audio Direct | Fosi Audio |
number of channels | 1 | 2 | 1 | 2 | 1 | 2 |
voltage | 24 volts of direct current | 48 volts of direct current | 36 volts | 230 volts | 24 volts of direct current | 230 volts |
output power | 100 watts | 600 watts | 200 watts | 300 watts | 300 watts | 600 watts |
specification met | Fcc, Ic | CE, FCC | FCC | |||
mounting type | Surface Mount | Speaker | Surface Mount | Freestanding | Freestanding | Tabletop Mount |
Product Description

Classic TPA3116
- Classic TPA3116 amplifier chip can offer 100W high power
- Compatible with 2~8 ohm speakers
- Can drive most home sub and mono speakers
Dual NE5532 OP-Amp
- Dual NE5532 OP-Amp can offer high dynamic and analysis
SUB & PBTL Modes
- G2 can be used as a mono channel amp or a sub amp
- One G2 can drive one passive subwoofer or one signal channel passive speaker
- Two or three G2 can be used to build a 2.0 or 2.1 audio system
SUB Frequency Control
- With independent SUB frequency control knob
- It can be turned to minimum to cutoff bass
Gain Setting
- A gain switch on the bottom of the amplifier to allow 4-level of output level setting (20/26/32/36 dB), to keep the sound quality better and not affected by the the resistor part.
Upgrade Circuit
- Optimized circuit can ensure totally no background noise
- Built-in speaker protection circuit and low pass bass filter.


Packing List
- 1 Power Amplifier
- 1 Power Supply
Nobsound G2
Specifications
- Power Supply: 19V 4.74A
- Max power: 100W
- Full frequency response: 20Hz-20kHz(3dB)
- The speaker matches the impedance: 2-8
- THD: Output 1W@ 0.03%
- Working voltage: DC12-24V
- SNR: 106
- Input sensitivity: 0.775V
- Bass cutoff frequency range adjustment: 40-300Hz
- Slope of bass attenuation: -12dB Slope
- Dimensions (D*W*H): 118.5*98*33 mm / 4.65*3.74*1.30 in
- Package size (D*W*H): 257*215*65 mm / 10.12*8.46*2.56 in
- Net weight: 305 g / 0.67 lb
- Package weight: 445 g / 0.98 lb
Panel Introduction

How to use
(A) SUB Mode
- Use RCA cable to connect your audio sources like Phone / MP3 / PC / TV ... to the "AUDIO IN" port
- Use speaker wire or banana plug to connect your passive subwoofer to the "SPK OUT" port
- Connect the power supply with the amp firstly and then to the wall
- Turn the toggle to "SUB"
- Turn the toggle to "ON"
(B) Mono Channel Mode
- Mono channel means single right channel or left channel. If you want to drive stereo speakers. you need two of this amps to drive right and left speakers separately
- Use RCA cable to connect your audio sources like Phone / MP3 / PC / TV ... to the left or right "AUDIO IN" port
- Use speaker wire or banana plug to connect your left or right speaker to the "SPK OUT" port
- Connect the power supply with the amp firstly and then to the wall
- Turn the toggle to "PBTL"
- Turn the toggle to "ON"
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Feature | Support both SUB & Mono; Gain adjustment | Support both SUB & Mono; 300W high power | Support both SUB & Mono | Only for subwoofer; Super mini size; Low cost | 2-CH Bluetooth amplifier; Tone control | 4-CH Bluetooth amplifier |
Power | 100W | 300W | 100W | 100W | 50W x 2 | 50W x 4 |
Channel | 1.0 | 1.0 (1.1) | 1.0 | 1.0 | 2.0 | 2.0/4.0 |
Input | RCA | RCA | 3.5mm AUX + RCA | 3.5mm AUX | Bluetooth 5.0 + 3.5mm AUX | Bluetooth 5.0 + RCA + 3.5mm AUX + U-disk |
Output | Passive Mono Speaker / Subwoofer | Passive Mono Speaker / Subwoofer + Active Subwoofer | Passive Mono Speaker / Subwoofer | Passive Subwoofer | Stereo Passive Speakers | 4 Passive Speakers / 2 Passive Speakers + Another M4 Amp |
THD | 0.03% | 0.03% | 0.001% | 0.04% | 0.04% | 0.05% |
SNR | 106 | 106 | 103 | 98 | 98 | 98 |
Speaker Impedance | 2~8 ohm | 4~8 ohm | 4~8 ohm | 2~8 ohm | 2~8 ohm | 4~8ohm |
Power Input | 19V 4.74A | 32V 5A | 19V 4.74A | DC 8-25V >3A (not included) | 19V 4.74A | 24V 4.5A |
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3.7 out of 5 stars 917
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Feature | Bluetooth 5.0 amplifier; 100W; 2-CH; TF & U-Disk | Bluetooth preamp; Headphone amp; Vacuum tube; Tone control; APTX-HD | Headphone amplifier; Classic; Mini size | MM phono preamp; Vacuum tube; Audio Preamp | 2(1)-IN-1(2)-OUT RCA stereo audio switch | MIC Sound Level, Audio Spectrum, RGB LED |