
I use this with my MP3 player mostly. A lot of them appear to be created at low volume and need some oomph added. This is a lot better than some cheaper and smaller amps I've had and only slightly more expensive.

Sony STR DH790 7 2 Ch Receiver Vision
11 Review

SHIDU Bluetooth Voice Amplifier: 18W Waterproof Speaker with Wired Microphone Headset - Portable Rechargeable PA System, Power Bank for Outdoors, Teachers, Shower, Beach
3 Review

Neoteck Portable 3.5Mm Headphone Amplifier With Bluetooth 5.0 Receiver, Two-Stage Gain Switch, 16-150 Ohm HiFi Earphone Amp, Aluminum Matte Surface
34 Review

Experience Superior Sound Quality With SMSL Audio SAP-8 Headphone Amplifier In Black/Silver/Gold
5 Review

Dorhea LM2596 DC-DC Buck Converter Step-Down Regulator 4.0-40V To 1.25-37V DC 36V To 24V To 12V To 5V Volt Power Supply Module With LED Voltmeter Display Compatible With Car Motor Buck
16 Review

EXuby Digital Converter Box For TV With RF/Coaxial And RCA Cable For Recording And Viewing Full HD Digital Channels Free (Instant Or Scheduled Recording, 1080P HDTV, HDMI Output, 7 Day Program Guide)
12 Review

HOMELYLIFE 600W High Power Voltage Reducer DC 48V 60V 72V Step Down To DC 12V 50A Buck Converter Waterproof Module Car Truck Power Regulator Transformer
12 Review

Kohree 36V To 12V DC/DC Converter Regulator - 10A 120W Golf Cart Voltage Reducer
17 Review