usb to usb to serial

Pololu Mini Maestro 12-Channel USB Servo Controller - Assembled

Key Features: Newest of Pololu s second-generation USB servo controllers Three control methods: USB TTL (5 V) serial and internal scripting 0.25 μs output pulse width resolution & wide pulse range of 64 μs to 4080 μs Pulse rate configurable from 1... more

TASCAM SS-R250N Memory Recorder with Networking and Optional Dante Support SS-R250N

Free Express Shipping! TASCAM SS-R250N Memory Recorder with Networking and Optional Dante Support XLR and RCA Input and Output Jacks, AES/EBU and S/PDIF Digital I/O, RS-232C Serial & 25-Pin Control Ports, Records to SD Card or USB Media, Graphic LCD... more

TASCAM SS-CDR250N Two-Channel Networking CD and Media Recorder SS-CDR250N

Free Express Shipping! TASCAM SS-CDR250N Two-Channel Networking CD and Media Recorder XLR and RCA Input and Output Jacks, AES/EBU and S/PDIF Digital I/O, RS-232C Serial & 25-Pin Control Ports, Records to SD Card or USB Media, Graphic LCD Displays Time,... more

Dazzduo Sound Amplifiers AMP USB AUX TF Players 100W Dual Channel BT5.0 Amplifier Audio Receiver Stereo AMP USB AUX Theater AUX Theater USB USB TF Players Stereo AMP USB Stereo Theater USB TF

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Players Black: BT 5.0 --- The sound amplifying device is equipped with BT 5.0 easier to link with wireless... more

Dazzduo Sound Amplifiers AMP USB AUX USB BT5.0 Amplifier Stereoo USB AUX Theater USB TF Player Dual Channel Sound 100W Dual Channel Amp 100W Dual Stereo AMP USB AUX Theater USB Stereoo Amp 100W

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver: Mini Exquisite Design --- Compact size 3.5mm Input gold plated RCA connectors and improved... more

Loudspeaker Balanced Amplifier Balanced Bt5.0 Balanced Oled Amp Computer Da-100 Bt5.0 Amp And Computer Usb Amp Amps Usb Hifi Amps U-sb Amp Usb Amps U-sb Amp Usb Da-100 Usb

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer Aluminum shell Processed by Technology shell is made of aluminum alloy and uses a block of... more

Dadypet Sound Amplifiers Theater USB TF Stereoo HiFi BT5.0 Amplifier 100W Dual Channel Dual Channel Sound USB AUX Theater AUX Theater USB Stereo AMP USB Amp 100W Dual AMP USB AUX Stereo o Amp HAVOU

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Players Black: 3 INnput Optional --- The digital amp box supports AUX/ USB/ BT input. Easy to connect the... more

Nebublu Sound Amplifiers Dual Channel Sound Amp 100W Dual AMP USB AUX 100W Dual Channel Power Theater USB TF HiFi BT5.0 Receiver Stereo AMP USB Stereo Audio Amp USB AUX Theater AUX Theater USB HAVOU

Features: 100W --- BT stereo amplifier receiver provides 50W+50W dual channel stereo output impedance 4-16 ohms. With unrivaled sound superiority and lets you enjoy amplified audio. BT 5.0 --- sound amplifying device is equipped with BT 5.0 easier to... more

OWSOO Sound Amplifiers AMP USB AUX Theater USB TF Dual Channel Sound Amplifier Stereo Audio Amp 100W Dual Stereo AMP USB Receiver HiFi BT5.0 Amplifier USB AUX Theater 100W Dual Channel USB TF Players

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Players Black: BT 5.0 --- The sound amplifying device is equipped with BT 5.0 easier to link with wireless... more

Sound Amplifiers Usb Tf Players Stereo Amp Usb Sound Audio Amplifier Stereo Audio Usb Aux Theater Amp Usb Aux Hifi Bt5.0 Amplifier Stereo Audio Amp Theater Usb Tf 100w Dual Channel

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Players Black BT 5.0 --- sound amplifying device is equipped with BT 5.0 easier to link with wireless... more

Loudspeaker Amps U-sb Amp Bt5.0 Usb Amp Balanced Amplifier Oled Balanced Oled Usb Amps Usb Amplifier Ol-ed Hifi Amp Computer Usb Da-100 Usb Balanced Hifi Amps Da-100 Bt5.0 Amplifier

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer BT SupportCan be connected to various BT playback devices get rid of shackles of wires and... more

Sound Amplifiers Amp Usb Aux Amp 100w Dual Usb Tf Player Theater Usb Tf Sound Audio Stereo Amp Usb Dual Channel Sound Usb Aux Theater Stereo Audio Amp Amplifier Stereo Audio

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver Exquisite Design --- Compact size 3.5mm Input gold plated RCA connectors and improved speaker... more

Loudspeaker Usb Da-100 Usb Hifi AmpsBalanced Usb Amp Balanced Amplifier Bt5.0Amps U-sb Amp And Amp Oled Bt5.0 Balanced Oled Amplifier Ol-ed Hifi Amps Usb Ampoled Computerbalanced

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer Using OLED display the BT connection status/coding format sampling rate/song name and other... more

Headset AMP Balanced Amplifier Usb Balanced 3.5mm Out Headset Amp D Output Usb Bal Portable Amp Eryue Link2 Out D Output Usb D Amplifier Portable Usb Balanced Balanced Amplifier Qisuo Amp

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 Built-in filter circuit and high-efficiency conversion circuit using high PSRR LDO optimized supply design separate supply for the DAC... more

Headset AMP Portable Usb Amplifier 3.5mm Usb Balanced Bal Portable Amp Eryue Amp Amplifier Portable Balanced 3.5mm Out Headset Amp Eryue Link2 Usb D Amplifier Output Cs43131 Headset Qisuo Usb

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 DAC uses dual CS43131 chips one for each channel with better decoding performance extremely low noise and higher resolution which... more

XDuoo Loudspeaker Balanced OLED USB AMP Computer Balanced Amplifier OLED Amps USB Power Balanced HiFi Amps BT5.0 Power AMP OLED BT5.0 USB DA-100 USB Amps U-SB AMP Amplifier OL-ED HiFi

Overview: DA-100 is a BT & digital amplifier with a headphone output and speaker output. BT module uses a CSR8675 chip and supports LDAC aptX and other BT formats; DAC module uses a high-performance ES9018K2M chip with extremely low noise and... more

XDuoo Loudspeaker HiFi Amps Computer BT5.0 Power Balanced Amplifier OLED Amps USB Balanced OLED USB AMP Amplifier OL-ED HiFi AMP OLED BT5.0 USB DA-100 USB Amps U-SB AMP

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer Overview: DA-100 is a BT & digital power amplifier with a headphone output and speaker... more

Dadypet Sound Amplifiers Amp 100W Dual Stereoo AMP USB AUX 100W Dual Channel Sound Power Audio Stereo AMP USB BT5.0 Amplifier Sliver Theater USB TF Stereo Audio Amp Receiver AUX Theater USB Players

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver: High Sound Quality --- Class D Hi-Fi Clear and high sound quality with no background noise... more

Sound Amplifiers Amp Usb Aux Audio Receiver Amplifier Stereo Audio Theater Usb Tf Usb Aux Theater Buzhi 100w Dual Channel Stereo Amp Usb Stereo Audio Amp Dual Channel Sound Amp 100w Dual

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Players Black 3 INnput Optional --- digital amp box supports AUX/ USB/ BT input. Easy to amp to... more

Loudspeaker Amp And Computer Balanced Amplifier Oled Amps Usb Da-100 Bt5.0 Hifi Amps Usb Amp Bt5.0 Balanced Oled Amp Oled Bt5.0 Amp Amplifier Ol-ed Bt5.0 Amplifier Balanced Usb Da-100 Usb

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer Compact Headphone AmplifierWith strong output it can easily drive any kind of headphones.... more

Pristin Sound Amplifiers Dual Channel Sound HiFi BT5.0 Amplifier Player Sliver 100W Dual Channel Theater USB TF Channel Sound Power USB AUX Theater Stereo AMP USB BT5.0 Amplifier Stereo AMP USB AUX

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver: BT 5.0 --- The sound amplifying device is equipped with BT 5.0 easier to link with wireless... more

Sound Amplifiers 100w Dual Channel Usb Tf Players Dual Channel Sound Amp Usb Aux Amplifier Stereoo Amp Iuppa Hifi Bt5.0 Amplifier Stereo Amp Usb Amp 100w Dual Theater Usb Tf Stereo O Amp

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Players Black BT 5.0 --- sound amplifying device is equipped with BT 5.0 easier to link with wireless... more

XDuoo Loudspeaker Amps USB Amps U-SB AMP Power Balanced HiFi Amps AMP Computer USB AMP BT5.0 Power Amplifier OL-ED HiFi Balanced OLED USB DA-100 USB AMP OLED BT5.0

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer �1.3 Inch OLED Display】Using OLED display the BT connection status/coding format... more

Headset AMP Amplifier 3.5mm Output Cs43131 Usb Balanced Headset Amp Portable Usb 3.5mm Out Bal Portable Balanced Portable Balanced Balanced Headset Amp Amp Eryue Out D Output Usb D Amplifier

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 Built-in filter circuit and high-efficiency conversion circuit using high PSRR LDO optimized supply design separate supply for the DAC... more

Headset AMP Portable Usb Bal Portable Amplifier 3.5mm Output Cs43131 Balanced Portable Usb Balanced Headset Amp Balanced Balanced Headset Qisuo Usb D Amplifier Amp Amp Eryue Out D Output

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 The DAC uses dual CS43131 chips one for each channel with better decoding performance extremely low noise and higher resolution which... more

Amplifier Board Aux Usb Amplifier Usb Amplifier 15w 3.5mm Aux Amplification Support Audio Amplifier Input Amplification Stereo Amplifier Bt5.1 3.5mm Usb Input 12/24v Audio Input Bt5.1 App

15W Stereo Amplifier Board 12/24V Speaker Audio Amplifier BT5.1 3.5mm AUX USB U-disk Input Amplification Module Support Sinilink Mobilephone APP Control In addition to manual operation amplifier also supports remotely control functions users can... more

OMNIHIL Replacement 2-Port USB Charger+(30FT)MICRO-USB for Apogee Groove USB DAC and Headphone Amp

Adapter Rating: World Wide 100V ~ 240V 50/60Hz / High Quality PSU/Transformer / All Products are tested to exceed/meet standard specification /OVP OCP SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short... more

Pristin Audio amplifier Input Amplification Support Amplifier BT 3.5mm Audio Amplifier 15W Stereo Amplifier 3.5mm AUX USB AUX USB Input Amplification Support APP USB Input Amplification BT 3.5mm AUX

X15H 15W Stereo Amplifier Board 12/24V Speaker Audio Amplifier BT 3.5mm AUX USB U-disk Input Amplification Module Support Sinilink APP and Remote Controller Control This 15W+15W BT audio amplifier has superior performance and multiple functions for... more

Headset AMP Usb D Amplifier Portable Balanced Amplifier Usb 3.5mm Out Portable Usb Eryue Link2 Output Cs43131 Bal Portable Headset Amp Amplifier 3.5mm Qisuo Balanced Balanced

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 One output switches can be adjust to adapt to earphones with different impedances. Built-in filter circuit and high-efficiency... more

Sound Amplifiers Dual Channel Sound Stereo Audio Amp Stereo Amp 100w Dual Channel Player Hifi Bt5.0 Amplifier Amp Usb Aux Theater Usb Tf Usb Aux Theater Audio Receiver Mewmewcat

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver 3 INnput Optional --- digital amp box supports AUX/ USB/ BT input. Easy to amp to... more

XDuoo Loudspeaker Amplifier DA-100 BT5.0 Power OLED HiFi Amps BT5.0 Power Power Balanced OLED USB AMP Computer BT5.0 Power Balanced Amps USB AMP HiFi Amps USB BT5.0 Power Amplifier Balanced OLED

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer Overview: DA-100 is a BT & digital power amplifier with a headphone output and speaker... more

Htovila Audio amplifier Amplifier 12/24V Audio 3.5mm AUX USB Audio Amplifier AUX USB Input HUIOP Amplifier BT 3.5mm USB Input Amplification BT 3.5mm AUX Support APP Remote 15W Stereo Amplifier

X15H 15W Stereo Amplifier Board 12/24V Speaker Audio Amplifier BT 3.5mm AUX USB U-disk Input Amplification Module Support Sinilink APP and Remote Controller Control This 15W+15W BT audio amplifier has superior performance and multiple functions for... more

Audio amplifier Bt 3.5mm Aux App And Remote Audio Amplifier Huiop Stereo Amplifier 12/24v Aux Usb Input Usb Input Amplification Support App And Amplification Support App 3.5mm Aux Usb Buzhi

X15H 15W Stereo Amplifier Board 12/24V Speaker Audio Amplifier BT 3.5mm AUX USB U-disk Input Amplification Module Support Sinilink APP and Remote Controller Control In addition to manual operation amplifier also supports remotely control functions.... more

Headset AMP Usb Balanced Portable Usb Link2 Portable Headset Amp Output Cs43131 Amp Eryue Balanced Eryue Link2 Amplifier 3.5mm Balanced Headset Out D 3.5mm Out Bal Portable Usb D Amplifier

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 Built-in filter circuit and high-efficiency conversion circuit using high PSRR LDO optimized supply design separate supply for DAC... more

Headset AMP Usb Balanced Amplifier 3.5mm Portable Usb Bal Portable Balanced Headset Output Cs43131 3.5mm Out Headset Amp Out D Amp Eryue Usb D Amplifier Portable Link2 Portable

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 With multi-color LED indicator it can display workingstatus of product in real time. USB in works in asynchronous transmission mode... more

Headset AMP Out D Output Amplifier 3.5mm Output Cs43131 Amp Amp Eryue Amp Amplifier Balanced Headset Usb D Amplifier 3.5mm Out Usb Balanced Bal Portable Headset Amp Portable Usb Eryue Link2

XDuoo Link2 Bal Portable USB DAC & Balanced Headphone Amplifier 3.5mm Headphone Out 4.4mm Balanced Output DAC CS43131 Built-in filter circuit and high-efficiency conversion circuit using high PSRR LDO optimized supply design separate supply for DAC... more

Loudspeaker Hifi Amps U-sb Amp Amps Usb Amplifier Ol-ed Hifi Bt5.0 Balanced Oled Bt5.0 Da-100 Bt5.0 Balanced Amplifier Balanced Oled Usb Amp Usb Da-100 Bt5.0 Amp And Amps Computer Bt5.0

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer BT SupportCan be connected to various BT playback devices get rid of shackles of wires and... more

Loudspeaker Bt5.0 Balanced Oled Bt5.0 Amplifier Ol-ed Hifi Bt5.0 Usb Da-100 Bt5.0 Balanced Oled Balanced Amplifier Usb Amp Usb Da-100 Hifi Amps Amp And Bt5.0amp Computerbalanced Ampoled

Xduoo DA-100 BT5.0 Power Amplifier High Performance Balanced DAC & Headphone Amplifier OLED HiFi Headphone Amps USB DAC AMP Multi-function for Home and Computer BT SupportCan be connected to various BT playback devices get rid of shackles of wires and... more