2hp Mult (2010s)

A tiny passive splitter for the most common modular headache. It draws no power and takes almost no space.

Overview

You're deep in a patch with CV cables across the panel, and you need the same gate at three different envelopes. Every multiple you own is already used. So you unplug something important and build a daisy chain that bleeds signal or detunes an oscillator. The 2hp Mult exists to end that. It doesn't oscillate, filter or modulate. It multiplies. You get two sets of three outputs from two inputs, with the first input normalled to the second. Plug a clock into the first jack and you get six identical copies across both output banks. No power, no fuss, clean signal distribution. And it does it in 2hp, which is barely wider than a single Eurorack jack.

Passive multiples like this don't buffer the signal. That makes them a poor fit for splitting pitch CV over long cable runs or to many destinations, since impedance mismatches can cause slight voltage drops, especially with high-impedance sources. For gates, triggers, clocks and audio-level signals, where exact voltage precision isn't critical, the 2hp Mult is bulletproof. You don't appreciate it until you run out of multiples. Then you wonder how you patched without it. It's not a centerpiece, it's infrastructure, and it just works.

Specifications

Manufacturer	2hp
Production Years	2010s
Width	2hp
Depth	15 mm
Power	Does not draw current
Inputs	2
Outputs	6 (3 per input)
Normalization	Input 1 normalled to Input 2
Signal Type	Passive multiple (unbuffered)
Mounting Type	Eurorack
Color	Black anodized aluminum panel
Knobs	None
Connectors	3.5mm jacks
Weight	Approx. 20 g
Country of Origin	USA
MSRP at Launch	$35 USD

Key Features

Passive Design, Zero Power Draw

The 2hp Mult doesn't connect to the power bus at all. There's no ribbon cable and no current draw, so power supply headroom is a non-issue. It's one of the few modules you can install in a powered-off case without a second thought. The trade-off is that it's unbuffered, so it doesn't actively drive the signal to each output. For gates and triggers, this is rarely an issue. If you split a pitch CV to multiple oscillators, especially across a large system, you might notice slight tuning discrepancies from load interaction. That's not a flaw in the module, it's a limitation of passive splitting. For critical CV distribution, a buffered multiple like the Malekko Buffered Mult or Intellijel Umx-4 is a better choice. For 90% of utility tasks - clock distribution, trigger fanouts, audio mixing via passive summing - the 2hp Mult performs flawlessly.

Normalization for Maximum Flexibility

The normalization between input one and two is what makes this more than a basic splitter. When nothing is plugged into the second input, the first input's signal is routed to both output banks, giving you six copies from a single source. Plug a cable into the second input and the normalization breaks. You now have two independent 1-to-3 multiples. That lets you adapt the module on the fly: a six-way clock distributor during sequencing, then a dual splitter when you need to route two separate LFOs to multiple destinations. It doubles the module's usefulness without adding a single millimeter to its footprint.

Build Quality and Physical Design

Like all 2hp modules, the Mult has a minimalist look - black anodized aluminum panel, recessed jacks, no extraneous labeling. The jacks are mounted directly to the PCB, which is secured with standoffs, so the module is mechanically sturdy. At just 15mm deep, it fits even crowded cases, including compact skiff builds. With no power connector, you can also install it in tight spaces where power bus access is limited. It's not the deepest module, but the PCB is rigid and well supported, so it doesn't wobble or flex, even with multiple cables plugged in. Repeated plugging and unplugging can wear on the jack sockets over time. Owners report that the Switchcraft-style jacks used by 2hp are durable and resist common failures like cold solder joints or misalignment.

Historical Context

The 2hp Mult emerged during the early 2010s, when Eurorack was moving from boutique curiosity to mainstream synthesis platform. As more musicians adopted modular systems, space-efficient utility modules became necessary. Cases were small, budgets were tight, and every hp counted. 2hp (the company) built its reputation on this exact problem, offering essential functions in the smallest possible footprint. The Mult was part of that first wave of ultra-compact utilities that proved a module didn't need 8hp to be useful. It arrived alongside similarly minimalist designs like the Doepfer A-185-2 and the Intellijel Mutamix, but stood out for its low cost, zero power draw and normalization. While many manufacturers were adding features and complexity, 2hp went the opposite direction and stripped everything back to the essentials. The module didn't wow with features, but it earned loyalty through reliability and efficiency.

Collectibility & Value

The 2hp Mult is neither rare nor particularly collectible. It's a utility module, not a vintage synth with legendary sound. New units still sell for around $35 - $45, and used ones typically go for $25 - $35 depending on condition. It has no active electronics, so failure rates are extremely low. The most common issues are bent jacks from careless patching and, in older units, slight panel discoloration from UV exposure. There's no service life to speak of - no capacitors to dry out, no ICs to fail. Buyers have one real concern, which is fakes. Counterfeit Eurorack modules exist, and some clones of the 2hp Mult have appeared on secondary markets. A genuine unit will have clean silkscreening, precise jack alignment, and a 2hp logo etched into the panel. If the price seems too good to be true, say under $20 for a used one, it might be a knockoff.

Market Value

┌──────────────────────────────────────────────────────────────────────────┐
│ 2HP MULT                                                        Nov 2026 │
├──────────────────────────────────────────────────────────────────────────┤
│ High      $106                                    Latest             $20 │
│ Median    $52                                     Trend                — │
│ Low       $20                                     Volume           ~3/mo │
├──────────────────────────────────────────────────────────────────────────┤
│   $200 ┤                                                                 │
│        │                                                                 │
│        │                                                                 │
│   $114 ┤                                                                 │
│        │.                                                                │
│        │                          .           .                          │
│        │          .                   .                                  │
│     $0 ┤                                                                .│
│        ├─────────────────────────────────────────────────────────────────│
│    vol │█         █               █   █       █                         █│
│        └─────────────────────────────────────────────────────────────────│
│         2026-06                      2026-07                      2026-08│
└──────────────────────────────────────────────────────────────────────────┘

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