Enleum

HPA-23RM

Introduced 2022$3,000 MSRP

The HPA-23RM is a pocketable, battery-powered reference headphone amplifier from Enleum, the South Korea-based successor brand to the cult favorite Bakoon Products, continuing Bakoon's proprietary current-drive amplification legacy in a limited first production run.

MSRP

$3,000

Used market · Good

$2,625

-13% vs MSRP

as of Sep 1, 2026

Sell or trade this Add to my system

MSRP to used market

From $3,000 at launch to $2,625 today.

Specifications

Price: $3,000 USD / £3,300 / €3,000
Weight: ~730-750 g (sources differ slightly)
Topology: Dual amplifier design: MOSFET voltage-output stage (descended from AMP-23R, simplified JET2 Bias circuit) plus a bipolar-transistor current-output stage (descended from the Bakoon HPA-21)
Dimensions: 116 mm x 164.5 mm x 22 mm
Battery life: Up to 5 hours (Voltage Output) / up to 3 hours (Current Output)
Power output: 1 W (Current Output mode) / 0.5 W (Voltage Output mode) at 30-ohm load
Power supply: Internal battery power supply, USB-C charging
Inputs outputs: RCA line input; 1/4-inch (current) and 1/8-inch (voltage) headphone outputs
Release production: Released November 2022; limited first production run of 250 units