00:00Looking to upgrade audio rig without spending real cash?
00:03Found top 5 tone board preamps under 9 bucks.
00:07Bench tested each.
00:09Here are clear winners.
00:11First board use classic NE5532 op-amp chip with 4-channel control.
00:17Cost $5.46.
00:20Over 4,000 units sold, solid 5-star rating.
00:24Quad adjustments give precise tuning over high, mid, low frequencies.
00:28Best value if need multi-stage EQ on strict budget.
00:33Second option, popular XHA901 revision.
00:37Cost $6.75.
00:40Dedicated treble, bass, master volume pots.
00:44Solid build, thick traces, low background hiss.
00:48Great plug-and-play upgrade for desktop stereo amp setup.
00:52Third pick, another variant of XHA901 board.
00:56Runs $6.35.
00:59Same great NE5532 layout, treble bass volume stack, slightly lower price point.
01:05Thousands bought this board because clean circuit deliver punchy lows without clipping.
01:10Fourth board, XHM164 4-channel module.
01:14Price sits at $5.61, flawless 5-star feedback score.
01:19Offer smooth potentiometers, clean stereo split, dead silent noise floor.
01:25Pick this if want maximum channel control with proven reliability.
01:29Final unit, XHM802 passive tone board.
01:33Cost $4.00.
01:36Zero power supply needed.
01:38Drop right between source and power amp, tweak highs and lows without adding noise or ground loops.
01:43Perfect simple audio build.
01:46Links for all boards in description below.
01:49Hit like, subscribe for more bench tests.
01:53See next build.
