1 total harmonic distortion class d subwoofer amplifier

{"cid":"91222503","title":"Professional 1000W Subwoofer Plate Amplifier with 25-200 Hz Frequency Response and <1% Total Harmonic Distortion","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/9e\/b9\/ecb8fdca99e01d4468694c86737f-200x200-1.jpg","attrs":{"Price":"$120.85-129.80","Model Number":"SUB-1000T","Minimum Order Quantity":"300","Place of Origin":"Guangdong, China","Output Power":"RMS@4Ohm 1000W","Frequency Response":"25-200 Hz","Total Harmonic Distortion":"<1%","Signal to Noise Ratio":">90dB","Input Sensitivity":"120mV","Auto Off Time":"15 mins","Auto On Sensitivity":"5 mV","Standby Power Consumption":"Low than 0.5W","Working Voltage":"110V \/ 230V AC Selected","Dimensions":"309.8*254*140 mm","Input Types":"Balanced XLR, Unbalanced RCA","Output Types":"Balanced XLR, Unbalanced RCA","Built-in Phase":"0\u00b0-180\u00b0 Switchable","Built-in Standby Mode":"ON \/ OFF \/ AUTO Switchable","Protection Features":"Short, Over-heat, Over-current, Over-load"}}

{"cid":"91220993","title":"RIO R1 Digital Power Amplifier 1U Voltage Between 90V-260V Output Voltage","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d1\/9f\/3b96a4c1ebff7a3e676c72e0ff21-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"P-AMF","Model Number":"RIOR1","Minimum Order Quantity":"30PCS","Delivery Time":"30-60days After Deposit","Certification":"CE,ISO","Place of Origin":"china","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"300PCS\/month","Packaging Details":"482mm*44mm*165mm","Power":"2CH * 750W \/ 8\u03a9","Wide voltageization":"It can be used for normal working voltage between 90V-260V, and the voltage is very stable","Net weight":"2KG","Packing Details":"Cartons and Plastic Bags","Standard":"1U","Name":"Digital Power Amplifier"}}